Heather buys some socks that cost $3 each and 2 scrafs that cost $11 each. the cost of heather's total purchase is $37. what equation can be used to find n, the number of socks that heather buys?
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Answer:
3n + 22 = 37
Step-by-step explanation:
The cost of n socks (in dollars) is 3n.
The cost of 2 scarfs is 2×11 = 22.
The cost of n socks and 2 scarfs is 3n + 22.
We are given that the total cost was 37. So the equation is:
3n + 22 = 37
Solving the equation
Although the question only asks for the equation, let's solve it anyway.
3n + 22 = 37
=> 3n = 37 - 22
=> 3n = 15
=> n = 15 / 3
=> n = 5
So Heather bought 5 (pairs of?) socks.
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