In a ratio of 4:3 with a total of 70 units, how many units are in the first part?

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Multiple Choice

In a ratio of 4:3 with a total of 70 units, how many units are in the first part?

Explanation:
In a ratio of 4:3, the total 70 units are divided into 4 + 3 = 7 equal parts. Each part is 70 ÷ 7 = 10 units. The first part corresponds to 4 parts, so it has 4 × 10 = 40 units. A quick check: the second part would be 3 × 10 = 30, and 40 + 30 = 70, which fits the total. So the first part has 40 units.

In a ratio of 4:3, the total 70 units are divided into 4 + 3 = 7 equal parts. Each part is 70 ÷ 7 = 10 units. The first part corresponds to 4 parts, so it has 4 × 10 = 40 units. A quick check: the second part would be 3 × 10 = 30, and 40 + 30 = 70, which fits the total. So the first part has 40 units.

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