Question

7) Green paint is made by mixing blue, yellow and white paints in the ratio 2:7: 1. How much blue paint is needed to make 64 litres of green paint?

8) 39 packets of 12 pens each costs 374.40. Find the cost of 52 packets of 10 pens each.​

Answer 1

Answer:

2:7:1 = 2x, 7x, 1x respestively

2:7:1 = 2x, 7x, 1x respestively 2x × 7x × x = 14cm cube

2:7:1 = 2x, 7x, 1x respestively 2x × 7x × x = 14cm cube 14cm cube = 64 litres

2:7:1 = 2x, 7x, 1x respestively 2x × 7x × x = 14cm cube 14cm cube = 64 litres 64 litres ÷ 14 = 32/7

Step-by-step explanation:

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