My teacher gave me a number and told me to subtract 5 from the number and then multiply the result by 8.

answer:

what's the number? the problem would be written as n-5x8 or n-(5x8)

step-by-step explanation:

5/6

step-by-step explanation:

if i remember correctly with perpendicular stuff you just take away the negative

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.