This year a high school had 578 sophomores enrolled. this is 89 less than the number enrolled last year. write and solve an equation to find the number of sophomores enrolled last year.

667

Step-by-step explanation:

578 + 89 = 667

Hope this helps :)

351°f

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.