Answer:
1
Step-by-step explanation:
7b -14 = -7
or b= 14-7 / 7
or b= 7/7
b is 1
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1 would: You dont have to pay anything because 80% of 750 is $150 which you also have to deduct $150 so you dont pay anything.
2: 90% of $575 is $517 so 58 dollars would be deducted.
Hope this helps:)
