When solving an equation with two variables, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)
If b = 2 and y = 4, what is the value of 5b(b - y)?
| -20 | |
| 480 | |
| -64 | |
| 40 |