The math club at a middle school increased from 62 students to 78 in one school year. what is the approximate percent of increase? a)3.85% b) 4.875% c) 21% d) 26%

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.

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.