The sum of two numbers is 45, and one number is twice the other. What is the larger number?

Correct answer: D. 30

Let the smaller number be n and the larger 2n. Then 3n = 45, so n = 15 and the larger number is 30. Check: 15 + 30 = 45 and 30 = 2 × 15.

easy

Answer and explanation

The correct answer is D. 30

Let the smaller number be n and the larger 2n. Then 3n = 45, so n = 15 and the larger number is 30. Check: 15 + 30 = 45 and 30 = 2 × 15.