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Luda [366]
3 years ago
10

Kendra charges $11 to shovel a driveway. She shoveled 4 driveways on Saturday and then some more on Sunday. She made $143 for th

e weekend. How many driveways did she shovel on Sunday?
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
7 0
For this case, the first thing we must do is define a variable.
 We have then:
 x: amount of driveways shoveled on Sunday
 y: total amount
 We now write the equation that models the problem:
 y = 11x + 44

 She made $ 143 for the weekend:
 143 = 11x + 44

 From here, we clear the value of x:
 11x = 143 - 44

x = 99/11

x = 9
 Answer:
 
She shoveled 9 driveways on Sunday
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