Answer:
The number of days
Step-by-step explanation:
Since the person sold at saturday and sunday, and it says x represents the number of books sold and 3 represents that 3 more was sold in sunday. Therefore we need to know how much it sold throughout the weekend, so we need to know the number of days to calculate, thus 2 must represents the number of days.
Answer:
$295 ???
Step-by-step explanation:
The simplified version of that expression is
Before we get started, it is good to remember PEMDAS - the acronym that tells you the order to carry out equations.
P = parentheses
E = exponents
M = multiplication
D = division
A = addition
S = subtraction
Knowing this, we should start by doing the equations <em>within </em>each parentheses.
So we did the addition and subtraction pieces within each group leaving us with the above equation. Now let's multiply:
20 is the answer.