Posted by **Kenny** on Friday, January 22, 2010 at 8:02am.

What is original value if the total is 40 and the sale tax is 8.75%?

y * 8.75 = 40 is this the setup to solve the problem?

- math -
**bobpursley**, Friday, January 22, 2010 at 8:45am
y(1+.0875)=40

solve for y, the original value.

- math -
**Kenny**, Friday, January 22, 2010 at 9:35am
Thank you for helping bobpursley

I forget to put 1 for (1 + .0875).

Here is what I solve this:

y(1+.0875)=40

1.0875y=40

y=40/1.0875

y=$36.78

Thanks

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