Item 3 is unpinned. Click to pin. When Grant was 9 years old he was 54 inches tall. Grant is now 12 years old and he is 66 inches tall. Find the percent of increase in Grant’s height.

22.2%

Step-by-step explanation:

66 - 54 = 12 inches

12 ÷ 54 = x ÷ 100

x = (12 × 100) ÷ 54 ≈ 22.2%

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)