Associative property of multiplication because it changes the groupings/parentheses
Answer:
-4
Step-by-step explanation:
Ok so 7 times 4 is 28 so she read 28 the first day. For the second day since 40-28= 12, 12 divided by 2 is 6. So she read 6 pages per hour.
Answer:
4x+7
Step-by-step explanation:
The discount would be 7.00 dollars.... i hope this helps