Answer:
Caleb paid less than Omar by $12.
Step-by-step explanation:
The initial cost of each repair is $1,000.
One coupon is for $80 off the repair cost. The other coupon is for 15% off the repair cost.
Case 1:
Omar uses the $80 off the repair cost coupon first. He then uses the 15% off the repair cost coupon on the remaining balance.
Step 1: 
Step 2:
dollars
Case 2:
Caleb uses the 15% off the repair cost coupon first. He then uses the $80 off the repair cost coupon on the remaining balance.
Step 1: 
Step 2:
dollars
Now, comparing the values we can see that Caleb paid less.
He paid less by
dollars.
To determine whether a solution a set of a system of linear inequalities is right, you simply plug back into the equation to check your work. If the solution equals and is mathematically correct, then that's the answer. For Example, use the equation,
5x = 10
Let's say you got an answer of x = 4. Plug it back into the equation
5(4) ≠ 10. As you can see the answer is wrong. This shows you that the answer is wrong.
The correct answer is x = 2
Answer:
D. 7
Step-by-step explanation:
She spent $300and she only has 70 left to spend so she can buy $70 worth of pizza which is 7
Answer: 9
Step-by-step explanation:
because it’s right across from three