Question

HELP ME (:
A store offers a 15% discount on all items in the store during a sale. All store employees get an additional 10% employee discount. In the equation below, C represents the cost of an item for an employee including tax, and x represents the original price of the item.

C = 0.765x + 0.06(0.765x)

Chris is an employee at the store. He plans to buy a coat during the sale. The price of the coat before the discount is $100. How much will Chris pay for the coat during the sale?

Answer 1

replace x with 100 and do the arithmetic
0.765x means 0.765*100 in this case

Answer 2

i dont get what your saying

Answer 3

when people say
C = 0.765x + 0.06(0.765x)

they are saying (in short hand)
for any number x, you can figure out C
Here x is the original cost and C is the new cost

so if you replace the letter x with a real number like 100
you can get a real number for C, by doing the arithmetic

Do you know how to multiply 0.765*100?

Answer 4

so 76.5 is the answer?

Answer 5

so 76.5 is the answer?
that is the first part of
C = 0.765x + 0.06(0.765x)

now you know 0.765*100 is 76.50
so you can replace 0.765x with 76.50 in
C = 0.765x + 0.06(0.765x)

and simplify (do more arithmetic)