20188

Question

The nutritional information on a {{food1}} is shown below.


{{image}}


{{name}} expends {{number1}} kJ of energy by {{sport1}} for {{time}} minutes.

If she consumes {{number2}} grams of the {{food2}}, approximately how long should she {{sport2}} to use up the energy it provides?

Worked Solution

{{number2}} grams of {{food2}} ⇒\rArr {{kJ}} kJ

∴\therefore Exercise required
= kJnumber1 ×\dfrac{ {{kJ}} }{ {{number1}} }\ \times {{time}}
≈\approx {{decimal}} ×\times {{time}}
≈\approx {{{correctAnswer}}}

Variant 0

DifficultyLevel

539

Question

The nutritional information on a breakfast cereal is shown below.



Marjorie expends 1000 kJ of energy by jogging for 30 minutes.

If she consumes 100 grams of the cereal, approximately how long should she jog to use up the energy it provides?

Worked Solution

100 grams of cereal ⇒\rArr 1320 kJ

∴\therefore Exercise required
= 13201000 ×\dfrac{ 1320 }{ 1000 }\ \times 30
≈\approx 1.3 ×\times 30
≈\approx 40 minutes

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
food1
breakfast cereal
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2020/07/NutInfo_ver1.svg 400 indent3 vpad
name
Marjorie
number1
1000
sport1
jogging
time
30
number2
100
sport2
jog
kJ
1320
decimal
1.3
food2
cereal
correctAnswer
40 minutes

Answers

Is Correct?Answer
x

30 minutes

✓

40 minutes

x

60 minutes

x

80 minutes

Variant 1

DifficultyLevel

539

Question

The nutritional information on a breakfast cereal is shown below.



Anna expends 650 kJ of energy by swimming for 30 minutes.

If she consumes 100 grams of the cereal, approximately how long should she swim to use up the energy it provides?

Worked Solution

100 grams of cereal ⇒\rArr 1320 kJ

∴\therefore Exercise required
= 1320650 ×\dfrac{ 1320 }{ 650 }\ \times 30
≈\approx 2 ×\times 30
≈\approx 60 minutes

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
food1
breakfast cereal
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2020/07/NutInfo_ver1.svg 400 indent3 vpad
name
Anna
number1
650
sport1
swimming
time
30
number2
100
sport2
swim
kJ
1320
decimal
2
food2
cereal
correctAnswer
60 minutes

Answers

Is Correct?Answer
x

30 minutes

x

45 minutes

✓

60 minutes

x

75 minutes

Variant 2

DifficultyLevel

539

Question

The nutritional information on a power bar is shown below.



Sandra expends 900 kJ of energy by running for 20 minutes.

If she consumes 100 grams of the power bar, approximately how long should she run to use up the energy it provides?

Worked Solution

100 grams of power bar ⇒\rArr 1810 kJ

∴\therefore Exercise required
= 1810900 ×\dfrac{ 1810 }{ 900 }\ \times 20
≈\approx 2 ×\times 20
≈\approx 40 minutes

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
food1
power bar
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2020/07/NutInfo_ver2.svg 400 indent3 vpad
name
Sandra
number1
900
sport1
running
time
20
number2
100
sport2
run
kJ
1810
decimal
2
food2
power bar
correctAnswer
40 minutes

Answers

Is Correct?Answer
x

20 minutes

x

30 minutes

✓

40 minutes

x

55 minutes

Variant 3

DifficultyLevel

539

Question

The nutritional information on a breakfast cereal is shown below.



Kylie expends 1000 kJ of energy by rowing for 30 minutes.

If she consumes 100 grams of the cereal, approximately how long should she row to use up the energy it provides?

Worked Solution

100 grams of cereal ⇒\rArr 2460 kJ

∴\therefore Exercise required
= 24601000 ×\dfrac{ 2460 }{ 1000 }\ \times 30
≈\approx 2.5 ×\times 30
≈\approx 75 minutes

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
food1
breakfast cereal
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2020/07/NutInfo_ver3.svg 400 indent3 vpad
name
Kylie
number1
1000
sport1
rowing
time
30
number2
100
sport2
row
kJ
2460
decimal
2.5
food2
cereal
correctAnswer
75 minutes

Answers

Is Correct?Answer
x

45 minutes

x

60 minutes

x

65 minutes

✓

75 minutes

Variant 4

DifficultyLevel

539

Question

The nutritional information on a packet of biscuits is shown below.



Yvonne expends 1000 kJ of energy by skipping for 20 minutes.

If she consumes 100 grams of the cereal, approximately how long should she skip to use up the energy it provides?

Worked Solution

100 grams of cereal ⇒\rArr 1810 kJ

∴\therefore Exercise required
= 18101000 ×\dfrac{ 1810 }{ 1000 }\ \times 20
≈\approx 1.8 ×\times 20
≈\approx 35 minutes

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
food1
packet of biscuits
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/01/NutInfo_ver4.svg 400 indent3 vpad
name
Yvonne
number1
1000
sport1
skipping
time
20
number2
100
sport2
skip
kJ
1810
decimal
1.8
food2
cereal
correctAnswer
35 minutes

Answers

Is Correct?Answer
x

25 minutes

✓

35 minutes

x

45 minutes

x

60 minutes