Answer:
3.25 in one hour
Step-by-step explanation:
6.5 ÷ 2 = 3.25
x ^ 2 = 144
x = 12, x = -12
Check:
12 * 12 = 144
-12 * -12 = 144
7 quarters 1 nickel
7 x.25= 1.75
1.75+ .05= 1.80