Question

marco is reconstructing his expenses for the past two weeks. here are the records of his expenses: transaction cost ($) t - shirt 20 gas 22 movie 13 video game 39 jeans 34 hat 15 books 31 marcos bank statement says that he has an ending balance of $81. what is marcos starting balance? a. $255 b. $93 c. $174 d. $210

Explanation:

Explicación:

Paso 1: Sumar los gastos

$20 + 22+13 + 39+34 + 15+31$
$=(20 + 22)+13 + 39+34 + 15+31$
$=42+13 + 39+34 + 15+31$
$=(42+13)+ 39+34 + 15+31$
$=55+ 39+34 + 15+31$
$=(55+ 39)+34 + 15+31$
$=94+34 + 15+31$
$=(94+34)+ 15+31$
$=128+ 15+31$
$=(128+ 15)+31$
$=143+31$
$=174$

Paso 2: Calcular el saldo inicial

El saldo final es $81$. Los gastos son $174$. El saldo inicial $x$ se calcula como $x=81 + 174$.
$x = 255$

Respuesta:

a. $255$

Answer:

Explicación:

Paso 1: Sumar los gastos

$20 + 22+13 + 39+34 + 15+31$
$=(20 + 22)+13 + 39+34 + 15+31$
$=42+13 + 39+34 + 15+31$
$=(42+13)+ 39+34 + 15+31$
$=55+ 39+34 + 15+31$
$=(55+ 39)+34 + 15+31$
$=94+34 + 15+31$
$=(94+34)+ 15+31$
$=128+ 15+31$
$=(128+ 15)+31$
$=143+31$
$=174$

Paso 2: Calcular el saldo inicial

El saldo final es $81$. Los gastos son $174$. El saldo inicial $x$ se calcula como $x=81 + 174$.
$x = 255$

Respuesta:

a. $255$