math
posted by Thomas .
I came across with this last problem that I don't get on this sheet.
Dan's uncle ask him to come work for him at his men's clothing store. He will pay him 5% on his first $1000 in sales and 8% on sales above $100. How much will Dan earn if he sells $2500 in merchandise?
Please who work.
I got $500

It appears you have a typo. You probably mean 8% on sales above $1000, since he earns 5% on the first $1000.
So, if he sells $2500, that's $1000 + $1500, so he gets
5% of $1000 plus 8% of $1500, or
.05 * 1000 + .08 * 1500 = 50 + 120 = $170
How ever did you get $500? That's 20% of the whole amount! 
.05 (1000) + .08 (25001000)
= 50 + 120 = 170
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