Question

Write an equation to model the situation. Then answer the question: Frank has M apples and Mary has twice as many apples as Frank. Together they have 27 apples. How many apples does Frank have?

Answer 1

Equation:
`M + 2M = 27`

Frank has 9 apples.

Mary has 18 apples.

.

Explanation:

`M + 2M = 27 \\ \\ (3M)/(3) = (27)/(3) \\ \\ M = 9`