Answer:
Step-by-step explanation:
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Answer:

Step-by-step explanation:
Given: Pauline withdrew $7.50 each day from her saving account.
She withdrew money for 3 days.
As Pauline is withdrawing the money, therefore the amount will be in negative
Now finding the expression for total amount of money withdrew.
Total money withdrew = 
∴ Total money withdrew = 
Hence, the expression to determine the total amount of money she withdrew is
and Total money she withdrew is -$22.5
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x=1.4
y=-3.6
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:)
so x=5
substituting for x in the equation we get:

Ans C: 16