Mathematics for IGCSE & O level - Ratio And Proportion (Section 5 - No. 39)

If the price of 3 apples is $1.80, what is the cost of 7 apples?

$3.60

$4.20

$4.50

$5.40

Тайлбар

Price per apple = $1.80/3 = $0.60. Cost of 7 apples = $0.60 * 7 = $4.20

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