Eight less than the product of two and a number, x
2 answers:
Answer:
.
Step-by-step explanation:
We have been given a statement. We are supposed to write an expression for our given statement.
Statement:
Eight less than the product of two and a number, x.
We know that product means multiplication. The product of two and a number x would be .
Eight less than the product of two and a number, x would be .
Therefore, our required expression would be .
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Sarah bought 3 bracelets and 2 pairs of sunglasses.
Step-by-step explanation:
Total items bought = 5 items
Total spent = $24
Cost of one bracelet = $5
Cost of pair of sunglasses = $4.50
Let,
x be the number of bracelet bought.
y be the number of sunglasses bought.
According to given statement;
x+y=5 Eqn 1
5x+4.50y=24 Eqn 2
Multiplying Eqn 1 by 5
Subtracting Eqn 2 from Eqn 3
Dividing both sides by 0.50
Putting in Eqn 1
Sarah bought 3 bracelets and 2 pairs of sunglasses.
Keywords: linear equations, subtraction
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