Ratio - GCSE Questions

Two brothers, Richard and Andrew, share a sum of money in the ratio 2 : 7. Andrew gets £30 more than Richard. Calculate how much the brothers share in total.

White paint costs £2.80 per litre. Blue paint costs £3.50 per litre.

White paint and blue paint are mixed in the ratio 3 : 2

Work out the cost of 18 litres of the mixture.

In a company, the ratio of the number of men to the number of women is 3:2

40% of the men are under the age of 25

10% of the women are under the age of 25

What percentage of all the people in the company are under the age of 25?

Tags

CCSS.6.RP.A.3C

Peter makes a large amount of pink paint by mixing red and white paint in the ratio 2 : 3.

Red paint costs £80 per 10 litres.

White paint costs £5 per 10 litres.

Peter sells his pink paint in 10-litre tins for £60 per tin. Calculate how much profit he makes for each tin he sells.

Tags

CCSS.6.RP.A.3B

Frank, Mary and Seth shared some sweets in the ratio 4 : 5 : 7

Seth got 18 more sweets than Frank.

Work out the total number of sweets they shared.