Henri buys some paint in the ratio red paint : white paint : green paint $$$=2: 8: 5$$$. Henri buys a total of $$$22.5$$$ litres of paint. Find the number of litres of green paint he buys. .................................... litres

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_s21_qp_42 Year：2021 Question No：1(b)(ii)

Answer:

$7.5$

E1.11.1 Demonstrate an understanding of ratio and proportion. (To include numerical problems involving direct and inverse proportion.)

E1.12.1 Calculate a given percentage of a quantity.

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