Tom rented a truck for one day. There was a base fee of $18.99, and there was an additional charge of 75 cents for each mile driven. Tom had to pay $160.74 when he returned the truck. For how many miles did he drive the truck?

Respuesta :

Answer:

Tom drove the truck for a distance of 89 miles.

Step-by-step explanation:

Base fee of truck = $18.99

Additional charge per mile = $0.75 per mile

Amount paid by Tom for the rented truck = $160.74

Let us assume Tom drove the truck for a distance of [tex]m[/tex] miles.

So, for [tex]m[/tex]  miles they would charge in dollars as:

⇒ [tex]\textrm{ Base fee+ (Additional charge times miles driven) }[/tex]

⇒ [tex]18.99+(0.75\times m)[/tex]

⇒ [tex]18.99+0.75\ m[/tex]

We know the actual amount charge, so we can equate.

[tex]18.99+0.75\ m=160.74[/tex]

Subtracting both sides by 18.99 to cancel 18.99 on left side.

[tex]18.99+0.75\ m-18.99=160.74-18.99[/tex]

[tex]0.75\ m=160.74-18.99[/tex]

[tex]0.75\ m=141.75[/tex]

dividing both sides by 0.75 to isolate [tex]m[/tex]

[tex]\frac{0.75\ m}{0.75}=\frac{141.75}{0.75}[/tex]

[tex]m=89[/tex]

∴ Tom drove the truck for a distance of 89 miles.

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