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scastrowilson618
11.03.2020 •
Mathematics
Molly custom kitchen supply sells handmade
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Ответ:
let x = number of forks
let y = number of spoons
cost of a fork = 1.70
cost of a spoon = 1.30
revenue from a fork = 5.60
revenue from a spoon = 5.40
In april they spent 37.90 on material.
They sold them for a total of 147.20
your cost equation is:
1.70 * x + 1.30 * y = 37.90
your revenue equation is:
5.60 * x + 5.40 * y = 147.20
solve these two equations simultaneously to get your answer.
simultaneously means the same value of x and the same value of y solve both equations at the same time.
your two equations are:
1.70 * x + 1.30 * y = 37.90
5.60 * x + 5.40 * y = 147.20
multiply the first equation by 5.6 and multiply the second equation by 1.7 to get:
9.52 * x + 7.28 * y = 212.24
9.52 * x + 9.18 * y = 250.24
subtract the first equation from the second equation to get:
1.9 * y = 38
divide both sides of this equation by 1.9 to get:
y = 20
substitute that value for y in the first original equation.
first original equation is:
1.70 * x + 1.30 * y = 37.90
Step-by-step explanation:
HOPE THIS HELPS U OUT AND IF IT DID PLS MARK ME AS BRAINIEST
Ответ: