30171

Question

The colour pink can be made by mixing 5 litres of white paint with 3 litres of red paint.

If 80 litres of white paint are used in this mixture, how much red paint is needed?

Worked Solution

Let  x\ \large x = litres of red paint needed
x80\dfrac{\large x}{80} = 35\dfrac{3}{5}
∴ x\therefore\ \large x = 3×805\dfrac{3 \times 80}{5}
= 2405\dfrac{240}{5}
= 48 litres

Variant 0

DifficultyLevel

565

Question

The colour pink can be made by mixing 5 litres of white paint with 3 litres of red paint.

If 80 litres of white paint are used in this mixture, how much red paint is needed?

Worked Solution

Let  x\ \large x = litres of red paint needed
x80\dfrac{\large x}{80} = 35\dfrac{3}{5}
∴ x\therefore\ \large x = 3×805\dfrac{3 \times 80}{5}
= 2405\dfrac{240}{5}
= 48 litres

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
48 litres

Answers

Is Correct?Answer
x

10 litres

x

16 litres

✓

48 litres

x

128 litres

Tags

  • ch_ratio