Surf's Up charges $22 per hour to rent a surfboard and $8 per hour to rent a wetsuit. Marty and Cheryl paid a total of $240 to rent a surfboard and a wetsuit each for a few hours one day. Cheryl rented the surfboard and wetsuit for 2 hours less than Marty. The following equation represents this situation, where x represents the number of hours Marty rented the surfboard and the wetsuit. 22x + 8x + 22(x − 2) + 8(x − 2) = 240 What is the total amount Marty paid to rent the surfboard and wetsuit that day? $30 $90 $120 $150
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ok first of all solve the above equation to get no of hours marry rented. 22x+8x+22x-44+8x-16=240 60x=300 x=300/60 x=5 hrs
now since you got no of hours. you know the prices per hour just Multiply them and there you are ! if you are unable to do this i will be back in 20 min.