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27 November, 23:32

Sara gets paid $136.75 for working 16 hours. For mowing a lawn she gets paid $4.25 per hour and for working at a fast food restaurant, she gets paid $10.50 per hour. How many hours did she work for the fast food? How many hours did she mow a lawn?

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  1. 27 November, 23:51
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    The number of hours that she work for the fast food is 11

    The number of hours that she mowed is 5

    Step-by-step explanation:

    let x = hours spent mowing

    y = hours spent at the food joint.

    we can now form an equations from the figures given.

    x+y=16 ... *

    10.5x+4.25y=136.75 ... * *

    solving the two equations simultaneously using the substitution method or the eliminating method,

    x=11 hours

    y=5 hours
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