4.) Kandice can read ¾ of a book in ½ an hour. What is the rate that she can read a book in terms of books per hour? ( I think it is 4 but idk) 5.) Karen can walk 2/3 of a mile in 1/5 of an hour. How long will it take her to walk 10 miles?

8) Tarra is baking muffins for a birthday party. The recipe for 12 muffins calls for 2 1/4 cups of flour and 1 ½ cups of sugar.

Part A: If Tarra uses 9 cups of flour, how many cups of sugar will she need?

Part B: If Tarra uses 9 cups of flour, how many muffins will she make?

9.)Greg can cut 2/5 of his yard in 1/3 of an hour. At this rate, how long will it take Greg to mow his entire lawn?
A. 1/3 hr
B. 6/5 hr
C. 5/6 hr
D. 3/5 hr

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?