Answer:
29
Step-by-step explanation:
f(x) = 4x -7
f(9) = 4(9)-7
=36-7
=29
The original price of the dress was $200. This is because 20% of 200 is $40 which was the price after the discount.
Hope this helps :>
Answer:
saving money
Step-by-step explanation:
it wouldn't be none with repaid yet!