If you would like to solve x% of 50 shirts is 35 shirts, you can calculate this using the following steps:
x% of 50 shirts is 35 shirts
x% * 50 = 35
x/100 * 50 = 35 /*100/50
x = 35 * 100 / 50
x = 70%
Result: 70% of 50 shirts is 35 shirts.
Answer: 4 Cups
I think in order to solve this, you would need to add up the fractions that they used. So it would be,
Transform the Expressions
Calculate the sum
Reduce
Transform the Expression
Calculate
Reduce the Fraction

Please mark brainliest if this helped you :)
X=a
f(a)=5(a^0)+4a^-3 a^0=1
=5(1)+4/a^3
=5+4/(a^3)
the estamated answer is 775