20171

Question

A hot air balloon is 25.2 metres high.

The length of the balloon section is 21.55 metres.



What is the height of the basket section?

Worked Solution

Let  h\ \large h = height of basket section
h\large h + 21.55 = 25.2
∴h\therefore \large h = 25.2−21.5525.2 - 21.55
= 25.2−22+0.4525.2 - 22 + 0.45
= {{{correctAnswer}}}

Variant 0

DifficultyLevel

581

Question

A hot air balloon is 25.2 metres high.

The length of the balloon section is 21.55 metres.



What is the height of the basket section?

Worked Solution

Let  h\ \large h = height of basket section
h\large h + 21.55 = 25.2
∴h\therefore \large h = 25.2−21.5525.2 - 21.55
= 25.2−22+0.4525.2 - 22 + 0.45
= 3.65 metres

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
3.65 metres

Answers

Is Correct?Answer
✓

3.65 metres

x

3.75 metres

x

4.55 metres

x

4.65 metres

Tags

  • ch_decimal
  • nap_nc