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Sagot :
Answer:
a. $17.50
b. $11.25
c. $5
Step-by-step explanation:
First, set up an equation:
20 - 1.25x = m
Now let's substitute in for x (which is how many snacks you buy) to solve for m (the amount of money you have left):
20 - 1.25 ( 2 ) = m
20 - 2.50 = m
17.50 = m
20 - 1.25 ( 7 ) = m
20 - 8.75 = m
11.25 = m
20 - 1.25 ( 12 ) = m
20 - 15 = m
5 = m
Answer:
Look in the explanation box for the answer :)
Step-by-step explanation:
a)
2 snacks=$2.50 Money left:$17.50
b)
7 snacks=$8.75 Money left:$11.25
c)
12 snacks=$15.00 Money left:$5.00
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