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Sagot :
To make a 49 pound bag of a mixture of peanuts and almonds that costs $6.85 per pound, the owner needs 15.98 pounds of peanuts and 33.02 pounds of almonds.
An algebraic expression is the combination of numbers and variables in expressing and solving a particular mathematical question. An equation is the equality of expressions.
Let x = pounds of peanuts in the mixture
y = pounds of almonds in the mixture
The owner wished to make a total of 49 pounds of mixture of peanuts ang almonds. Hence,
x + y = 49
x = 49 - y (equation 1)
Bags of peanuts cost $2.2 per pound and bags of almonds cost $9.1 per pound, and the mixture should cost $6.85 per pound. Hence,
2.2x + 9.1y = 6.85(49)
2.2x + 9.1y = 335.65
Substitute equation 1 and solve for y.
2.2x + 9.1y = 335.65
2.2(49 - y) + 9.1y = 335.65
107.8 - 2.2y + 9.1y = 335.65
6.9y = 227.85
y = 33.02
pounds of almonds in the mixture = 33.02
Using equation 1, solve for x.
x = 49 - y
x = 49 - 33.02
x = 15.98
pounds of peanuts in the mixture = 15.98
Learn more about algebraic expression and equation here: brainly.com/question/3927786
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