when ricardo was 9 years old, he was 56 inches tall. ricardo is now 12 years old and he is 62 inches tall…

when ricardo was 9 years old, he was 56 inches tall. ricardo is now 12 years old and he is 62 inches tall. find the percent of increase in ricardos height. round the percent to the nearest tenth if necessary.

when ricardo was 9 years old, he was 56 inches tall. ricardo is now 12 years old and he is 62 inches tall. find the percent of increase in ricardos height. round the percent to the nearest tenth if necessary.

Answer

Explanation:

Step1: Find the amount of increase

$62 - 56=6$

Step2: Use the percent - increase formula

Percent increase = $\frac{\text{amount of increase}}{\text{original amount}}\times100%=\frac{6}{56}\times100%$ $\frac{6}{56}\times100%=\frac{600}{56}% \approx 10.7%$

Answer:

$10.7$