Answer:
the third one is your answer
Step-by-step explanation:
30.8 add it all up and divided how ever many number there are
Answer:-αx-20=-14 --> 
4=
×+5 --> a=-6
7+2ax=13---> a=
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
8 3/4 + 9 2/8
We can simplify 2/8 by dividing the top and bottom by 2
8 3/4 + 9 1/4
Add the whole numbers
8+9 = 17
3/4 + 1/4 = 4/4 = 1
Add this to the whole numbers
17+1 = 18
Answer:
27 7/9%
Step-by-step explanation:
Take the selling price and subtract the cost
920 -720 = 200
Divide it by the cost
200/720
.27777777
Change to percent form
27.777777%
27 7/9%
