Question

Lori works at a

restaurant. In
addition to an $700 tips, Lori
earned $4 per hour working last
week. Lori's total earning last
week were $860. How many total
hours did she work last week?

Answer 1

40 hours

Explanation:

Lori's pay is the total of her hourly pay and her tips. Her hourly pay is found by multiplying hours worked by her hourly rate.

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Here's the relation written as an equation.

total pay = tips + (hours worked)(hourly rate)

$860 = $700 +(hours worked)($4/hour)

$160 = (hours worked)($4/hour) . . . . . . . . . subtract $700

hours worked = ($160)/($4/hour) = 40 hours . . . . . divide by $4/hour

Lori worked 40 hours last week.