Answer: I do not know what she is paid per hour so I cannot solve this for you. You can figure this out on your own by multiplying the amount she get paid per hour by 7 to get the correct amount. If you are unable to do this by hand, use a calculator or look it up on google.
A faster way to determine the sales price is to subtract 0.25 from 1.00 and then mult. the regular price by the result: sales price = 0.75($30) = $22.50 (answer)