Answer:
$100 + $18d = payed amount
Step-by-step explanation:
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Multiply each hourly rate by x ( time to complete the work) add it to the service call for each and then set the equations equal:
50 + 40x = 30 +45x
Subtract 30 from both sides:
20 + 40x = 45x
Subtract 40x from both sides:
20 = 5x
Divide both sides by 5
x = 4
The length is 4 hours.
Answer:
-21.5
Step-by-step explanation:
How many crayons are there in total? The answer is 9 boxes multiplied by 8 crayons which equals 72 total crayons.
