How much did each sell if Nancys sales last week were $140 less than three times Andrea's sales and together they sold $940.

Aubrie Aguilar

Aubrie Aguilar

Answered question

2022-09-20

How much did each sell if Nancys sales last week were $140 less than three times Andrea's sales and together they sold $940.

Answer & Explanation

garnboernl

garnboernl

Beginner2022-09-21Added 8 answers

First, we write the two equations given.
"Nancy's sales last week were $140 less than three times Andrea's sales"
We write this as:
N=3A−140
"together they sold $940."
We write this as:
N+A=940
Solve for A:
A=940−N
Substitute A into first equation:
N=3(940−N)−140
Distribute:
N=2820−3N−140
Add like terms and simplify:
4N=2680
Solve for N:
N=670
Plug N into second equation:
670+A=940
Solve for A:
A=270
Final Answer: N=670,A=270

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