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muriel has kept track of her income and expenses for the week in the sp…

Question

muriel has kept track of her income and expenses for the week in the spreadsheet below. how much was muriels restaurant bill?

abc
beginning balance$380.29
interest income$18.10
groceries-$61.39
restaurant bill
paycheck$476.24
gas-$35.00
ending balance$735.69

a. $17.66
b. $42.55
c. $6.35
d. $112.55

Explanation:

Step1: Establecer la ecuación

Sea $x$ el monto de la factura del restaurante. La ecuación para el saldo final es $380.29 + 18.10-61.39 - x+476.24 - 35.00=735.69$.

Step2: Simplificar el lado izquierdo de la ecuación

$380.29+18.10 - 61.39+476.24 - 35.00=778.24$. Entonces la ecuación se convierte en $778.24 - x=735.69$.

Step3: Resolver para $x$

Sumamos $x$ a ambos lados: $778.24=735.69 + x$. Luego restamos $735.69$ de ambos lados: $x = 778.24 - 735.69$.
$x=42.55$.

Answer:

B. $42.55$