If the ratio of A:B is 3:4 and the total amount is 70 units, how many units are in part A?

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Multiple Choice

If the ratio of A:B is 3:4 and the total amount is 70 units, how many units are in part A?

Explanation:
Distributing the total according to a ratio means splitting the amount into equal parts dictated by how many parts the ratio has in total. For A:B = 3:4, there are seven equal shares in all. The total is 70, so each part is 70 ÷ 7 = 10 units. A corresponds to 3 of these parts, so A has 3 × 10 = 30 units. The only value that fits this proportional split is 30 units.

Distributing the total according to a ratio means splitting the amount into equal parts dictated by how many parts the ratio has in total. For A:B = 3:4, there are seven equal shares in all. The total is 70, so each part is 70 ÷ 7 = 10 units. A corresponds to 3 of these parts, so A has 3 × 10 = 30 units. The only value that fits this proportional split is 30 units.

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