10% is 7 dollars so 20% is 14 and have of 7 is 3.5 so it's 17.50
Answer:
answer is b
Step-by-step explanation:
i hope this helps you
218they are the annnns erv
14 20
---- = ----- cross multiply
3x x-5
14(x-5) = 3x (20)
14x - 70 = 60x
-14x -14x
-70 = 36x
/36 /36
-70/36 = x
or
-35/18 = x
