Algebra 2 S2 Test #8 - 7th 8. Rewrite the following series into sigma notation. Select your answer below.
7 + 10 + 13 + 16 + 19

both equations and proportions are better.

attachment?

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.