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galben [10]
4 years ago
13

Rosa and her brother worked landscaping jobs last summer. Rosa earned $8 more than twice the amount earned by her brother. If th

eir earnings totalled $71, how much did Rosa earn? NEED AN ANSWER
Mathematics
1 answer:
nadezda [96]4 years ago
4 0
Rosa earned $50

Explanation:

Two people Rosa & her brother
Her brother earns X
While Rosa earns 2X + 8
Now we gotta solve for X

They made $71. $71 minus X should give you Rosa’s pay

71 - X = 8 + 2X (subtract 8 from 71)
63 - X = 2X (add X to 2X)
63 = 3X (divide by 3)
21 = X

Plug in $21 for Rosa:
8 + 2(21)
8 + 42 = $50




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