A computer store buys a computer system at a cost of $487.20. The selling price was first at $ 812, but then the store advertised a 30 % markdown on the system. Answer parts a and b.
a. Find the current sale price.
The sale price is $
568.4.
(Round to the nearest cent as needed.)
b. Members of the store's loyalty club get an additional 10% off their computer purchases. How much do club members pay for the computer with their discount?

You can find the constant of proportionality by finding the ratio of

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.

Arational number that is equivalent to -20/4?