Because 5(1.50) is equal to 7.50 and they subtract it from both sides so that they can be left with the stapler and how much was spent on the stapler. You can replace d+7.50-7.50 with d because 7.50-7.50 is equal to zero
Answer:
3 and 4
Step-by-step explanation:
There are three elements in set A and four elements in set B
Answer:
B. Associative Property of Addition
Step-by-step explanation:
X=2, y=3
I believe the answer is D..
Hope this helps! :)
Answer:
$540
Step-by-step explanation:
5% of 450 = 22.5
22.5 x 4(years) = 90
90 + 450 = 540