During the sale, the price of the book was marked down 20 percent. If the sale price of the book was $480, how much did the book originally cost?

$

Step-by-step explanation:

%=

Thanks for getting me to the next rank : )

answer: r there any options?

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.