Solve the equations x + y = 300 and 12x + 15y 4,140

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Tinmarino asked Feb 17, 2023

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14 votes

Solve the equations x + y = 300 and 12x + 15y
4,140

Mathematics
high-school

Tinmarino asked Feb 17, 2023

by Tinmarino

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1 Answer

12 votes

Answer:

x=120

y=180

Explanation:

x=300-y

12x+15y=4140

12(300-y)+15=4140

y=180

substitute

x=300-180

x=120

Bendecko answered Feb 22, 2023

by Bendecko

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