Help Me Please A repairman charges an inspection fee plus $20 per hour. A customer with a coupon for 40% off the inspection fee

Question

Help Me Please
A repairman charges an inspection fee plus $20 per hour. A customer
with a coupon for 40% off the inspection fee pays $110 for a 4-hour repair.
How many hours are worked when a customer pays $90 without a coupon?

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Ngọc Hoa 4 years 2021-08-25T04:59:47+00:00 1 Answers 85 views 0

Answers ( )

  1. Nick
    0
    2021-08-25T05:01:11+00:00
    Reply

    $108.50 for the 30% off an 1 hour and 35 min without the coupon 155 x 0.3 = 46.5. 155-46.5=108.50

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