Answer:
divide
Step-by-step explanation:
length of base: 20 divided by 1/3
width of base: blank divided by blank equals 6.25
Length of the base=10
Width of the base=50
Length of the base=80/8=10
Width of the base= 6.25*8=50
x= 13
x + 8 = 21
x + 8-8 = 21-8
x = 13
Alex timed 7 by 2 instead of 7 times 7 because 7^2 is an exponent.
