Question

You made two deposits to your bank account this month. One deposit was $17.92, and the second deposit was $15.33. Your balance at the end of the month is $72.31, and you made no withdrawals. Write and evaluate an expression for your balance at the beginning of the month.
$72.31 + $17.92 + $15.33; $105.56
$72.31 – $17.92 – $15.33; $39.06
$72.31 – ($17.92 – $15.33); $69.72
$72.31 + ($17.92 – $15.33); $74.90

Answer 1

Answer:

the answer is $72.31 – $17.92 – $15.33; $39.06

Step-by-step explanation:

x+(17.92+15.33)=72.31

x=72.31-17.92-15.33

x=\$39.06

so the answer is $39.06

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Answer 2

Answer:

The answer is the option

$72.31-17.92-15.33;\ 39.06$

Step-by-step explanation:

Let

x-------> the balance at the beginning of the month

y------> total amount in deposits this month

we know that

$x+y=72.31$ -----> equation A

$y=17.92+15.33$ ------> equation B

Substitute

equation B in equation A

$x+(17.92+15.33)=72.31$

$x=72.31-17.92-15.33$

$x=\ 39.06$