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maw [93]
4 years ago
6

Tim earns $12 per hour as head lifeguard at Sammy's Swim Park. As a first year lifeguard Jack earns 30% less than Tim, and as a

second year lifeguard Jim earns $1 more per hour than Jack. Which expression represents how much Jim earns? (h represents hours)
Mathematics
1 answer:
monitta4 years ago
5 0
Tim = 12
Jack 1st = 12 - (12 x 0.30)

second year
Jim = 1 + x
Jack = x

12 - (12 x 0.30) = 
12 - 3.6 =  8.4
Jack = $8.4 per hour

Tim = 8.4 + 1
Tim = $9.4 per hour
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