Algebra, NAPX-F4-CA13, NAPX-F3-CA20

Question

Rudy did a total of 400 push-ups in 5 days.

After the first day, he did 10 more push-ups than the previous day.

How may push-ups did he do on the first day?

Worked Solution

Average push-ups per day

= 400 ÷\div 5

= 80


⇒\Rightarrow 80 will be midpoint of the 5 push-up values


Push-ups each day were:

60, 70, 80, 90, 100


∴\therefore First day push-ups = {{{correctAnswer}}}

Variant 0

DifficultyLevel

596

Question

Rudy did a total of 400 push-ups in 5 days.

After the first day, he did 10 more push-ups than the previous day.

How may push-ups did he do on the first day?

Worked Solution

Average push-ups per day

= 400 ÷\div 5

= 80


⇒\Rightarrow 80 will be midpoint of the 5 push-up values


Push-ups each day were:

60, 70, 80, 90, 100


∴\therefore First day push-ups = 60

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
60

Answers

Is Correct?Answer
✓

60

x

65

x

75

x

80

Tags