Question

Calculate Martha's profit by solving the expression below.
$7\times 5+3\times 2-20$

• A. 21 dollars
• B. 92 dollars
• C. 12 dollars
• D. 32 dollars

Answer 1

The correct option is A 21 dollars

Given, Martha's profit is:
$7\times 5+3\times 2-20$
According to PEMDAS, multiplication needs to be done.
$=35+6-20$
If an expression contains both addition and subtraction, solve it from the left.
$=41-20$
$=21$