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Fudgin [204]
3 years ago
5

Betty had $40 in her pocket. She bought 12 identical bags of popcorn. Betty was left with $10 after buying the popcorn. What was

the price, in dollars, of each bag of popcorn?
0.55
2.50
4.17
5.20
Mathematics
2 answers:
ser-zykov [4K]3 years ago
5 0
$40-$10=$30, so Betty spent $30 on the 12 packets of popcorn. This means that we need to share the $30 by 12 to find out how much each packet had cost. $30÷12=$2.50. Therefore, your answer is $2.50.
Xelga [282]3 years ago
5 0
Set up the equation:

40 - 12x = 10

40 represents the money Betty had initially. 12 is the coefficient for x, and represents how many bags of popcorn Betty bought. x represents the cost of a single bag of popcorn. 10 is the money Betty is left with.

Subtract 40 from both sides:

-12x = -30

Divide both sides by -12 to get x by itself:
x = 2.5

The cost of a single bag of popcorn is $2.50.
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