Mark for review (will be highlighted on the review page)
7. a used motorcycle is priced at $3,438. if you borrow the money for the motorcycle, your payments will be $165 a month for 24 months. how much will you save by paying cash?
a. $500
b. $272
c. $522
d. $350

for this case we have the following expression:

to solve, we rewrite the expression as:

we apply double c and we have:

thus, the quotient is 48.

so, patel found a wrong ratio and the multiplication was incorrect.

option d

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!