On his twelfth birthday, Ben was 4 feet tall. On his thirteenth birthday, Ben was 5 feet tall. How much did Ben grow between his twelfth and thirteenth birthdays?

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Answer 1 · 2018-03-29T08:13:51

Ben grew 1 feet between his $12^(th)$ and $13^(th)$ birthday.

Well, in a easy way,

Ben's height in his $12^(th)$ birthday= 4 feet

Ben's height in his $13^(th)$ birthday= 5 feet

Now,

The increased height= Present height - Previous height

Following the given equation,

$rArr$ Present height - Previous height

$rArr$ 5 feet -4 feet

$rArr$ 1 feet

$:.$ Ben grew 1 feet between his $12^(th)$ and $13^(th)$ birthday.

Let's hope it helps you understand the question:)