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?
-Subtract 70 from both sides. The answer is 6.5 inches.
-Subtract 63.5 from both sides. The answer is 6.5 inches.
- Add 63.5 to the left side and subtract 63.5 from the right side. The answer is 6.5 inches.
- Subtract 63.5 from both sides. The answer is 6.5 inches
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