Question

Mary is 63.5 inches tall and her sister Tonya is 70 inches tall. Tonya wants to know how many inches taller she is than Mary. Which equation and solution can be used to solve this problem?

Answer 1

Subtract 63.5 from both sides. The answer is 6.5 inches.

Explanation:

63.5 minus x = 70

Answer 2

You can find how many inches taller Tonya is than Mary by subtracting.

The equation is 70-63.5