A small toy car costs [tex]\$3[/tex]. A large toy car costs 5 times as much as the small one. Aaron wants to buy one of each. Which equation can he use to find the cost (a) of the two cars?

A. [tex](5 \times \$3) \div 3 = a[/tex]

B. [tex]5 \times a = \[tex]$3 + \$[/tex]3[/tex]

C. [tex]\[tex]$3 + (5 \times \$[/tex]3) = a[/tex]

D. [tex]5 \times (\[tex]$3 + \$[/tex]3) = a[/tex]



Answer :

To determine the total cost [tex]\( (a) \)[/tex] of buying one small toy car and one large toy car, let's break down the steps involved in the calculation.

1. Identify the cost of each type of car:
- The cost of a small toy car is \[tex]$3. 2. Determine the cost of the large toy car: - The large toy car costs 5 times as much as the small toy car. - Therefore, the cost of the large toy car is \( 5 \times \$[/tex]3 = \[tex]$15 \). 3. Calculate the total cost of buying both cars: - The total cost will be the sum of the cost of the small toy car and the cost of the large toy car. - In other words, \( a = \$[/tex]3 + \[tex]$15 \). Putting these steps together, the equation that can be used to find the total cost \( (a) \) is: \[ \$[/tex]3 + (5 \times \[tex]$3) = a \] Thus, the correct equation from the provided options is: \[ \$[/tex]3 + (5 \times \[tex]$3) = a \] By solving this equation, we get: \[ a = \$[/tex]3 + \[tex]$15 = \$[/tex]18 \]

Therefore, Aaron will spend a total of \$18 to buy one small toy car and one large toy car.