Question

A charm bracelet costs $65, plus $25 for each charm. The equation −25x+y=65 represents the cost y of the bracelet, where x is the number of charms. How much does the bracelet cost? There are 13 charms.

Answer 1

I think it cost $390

Answer 2

Answer: y=390

Explanation:

To find the solution first you have to isolate y (the cost of the bracelet) in the equation:

`-25x+y=65\\y=65+25x`

Then, you substitute the given value of x (number of charms) into the equation:

`y=65+25(13)`

And you solve:

`y=65+325\\y=390\\`

Therefore, the bracelet costs $390