Zhang is constructing a 4-ft loading ramp. The length of the back of the base must by 12.8-ft. How long must the entire base be? Choose 1 equation, choose 1 answer for the front of the base and choose 1 answer for the total base. Equation: \frac{4}{12.8}=\frac{x}{4}
12.8
4

=
4
x

\rightarrow→ 12.8x=1612.8x=16

Equation: \frac{4}{12.8}=\frac{4}{x}
12.8
4

=
x
4

\rightarrow→ 4x=51.24x=51.2

Front of Base: 0.078 ft

Front of Base: 1.25 ft

Total Base: 14.05 ft

Total Base: 12.878 ft