450 more than a number divided by six equal to 504 more than the same number divided by 15

See below.

Step-by-step explanation:

Let the number be x.

450 more than a number divided by six equal to 504 more than the same number divided by 15

There are different ways of interpreting this.

Here's one way:

450 + x/6 = 504 + x/15

Here's another way of interpreting it:

(450 + x)/6 = (504 + x)/15

There are other ways to interpret it.

whatever you can spend with $11.53 or under.

step-by-step explanation:

20 - 8.47 = 11.53. take away the money he used for lunch from the starting amount of 20.