Patty spent 3 1/2 times as much as Sandy. if sandy spent $20.50, how much did patty spend

12.6$

Step-by-step explanation:

1$ - 20$ = 19$ / 3 = 6.3$

6.3$ x 2 = 12.6$

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length

step-by-step explanation: