Answer:
im so sorry i dont know what this is about i suck at math but best of luck to you
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given the expression

Follow the PEMDAS order of operations

calculate within parentheses 

calculate exponents

Multiply and divide (left to right)

Add and subtract (left to right) 

Thus,

The number is 20. Work in picture if you want it or want justification of steps:)
Multiply 7 and 5= $35
are you sure this is college mathematics?