Answer:
21
Step-by-step explanation:
put 21 were x is and then divide 21÷7=3
Y = $35.25(6) + 40
y = $211.5 + $40= $251.50
the answer is a
<em>x = 8</em>
Step-by-step explanation:
Add 1 to both sides.
Add 2x to both sides.
Divide 40 by 5.
x = 8
9. increase
10. decrease
11. increase
12. decrease
13. decrease
14. decrease
15. increase
16. increase