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وارد شوید

Mathematics for IGCSE & O level - Ratio And Proportion (Section 6 - No. 17)

If the costs of two items are in the ratio 3:5, and the first item costs $15, then:
The second item costs $25.
The second item costs $9.
The total cost of both items is $40.
The total cost of both items is $24.

توضیح

3:5. if 3 = $15, then 5 = $25. Therefore the total is 15 + 25 = 40.

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