SOLUTION: Brian earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are $150 more than that of his younger sister. She earns one quarter as much as Bria

Question 740603: Brian earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are $150 more than that of his younger sister. She earns one quarter as much as Brian does as a tutor. How much does Brian earn as a tutor?
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
Brians tutoring income = 2*x
Brians pumping gasoline income = x
Brians WEEKLY income = $150+y
Sister's tutoring income = y
Also, Sister's tutoring income =

Analyzing those data seem to indicate relating Brian's weekly income with his sister's income.

Brians earns from pumping gas, x, and from tutoring, 2x. Their sum is this.

We have a formula for y, his sister's income, so let us substitute this into ;

, which is Brian's incoming from pumping gasoline.

For his tutoring income, dollars tutoring.
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