Mathematics: The cost of four sweaters and two pairs of jeans is $140. the cost of two sweaters and three pairs of jeans is $150. define the variables and write a system of equations to represent this situation.

The cost of four sweaters and two pairs of jeans is

deondra0803

18.01.2022

$4s+2j=140\\2s+3j=150\\s=15 \\ j=40\\$

s=sweaters

j=jeans

Step-by-step explanation:

$4s + 2j=140\\(2s+3j=150) -2\\\\4s+2j=140\\-4s-6j=-300\\\\-4j=-160\\j=40\\\\4s + 2(40)=140\\4s+80=140\\4s=60\\s=15$

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adrianawalker16

30.11.2021

Step-by-step explanation:

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