Answer
It's D) IV
Step-by-step explanation:
Just look at a graph.
Step-by-step explanation:
<u>1</u><u> </u> x-y = 10
2
multiply by 2
2* (<u>1</u> x+y) =10
2
x+y=20
Answer: 800.
Step-by-step explanation: Round them both to the nearest ten. That is 40x20.
Answer:
D. n=7; u=12; m=14
Step-by-step explanation:
Check the offered answers against the problem statement. Only choice D has 5 more used than new books.
_____
The prices are unused in answering the question. They can be ignored.
Short Answer: 6 + (44 + 28)
Long Answer:
Change the parentheses to include 28 and not include 6. According the the property, changing the parentheses this way does not affect the sum. In other words, changing the order of addition does not change your answer.
