What is the value of 72 : n when n = 9

A student finished 8 of her homework problems in class. If the ratio of problems she finished to problems she still had left was 4:1, how many homework problems did she have total?

Dennis mowed his next door neighbor's lawn for a handful of dimes and nickels, 80 coins in all. The total of the coins came up to $6.60. How many of each coin did he earn. Solve the problem.

Question 5 of 5 Madison bought a package of sugar that contained 6 cups. She used 3 3/4 cups to make sugar cookies, and 2 cups to bake a cake. How much of the original package of sugar does Madison have left?

Is 7 9/100 less than 7 2/10

7/6 times x=140 what does x=

8% of the rides in the park are water rides. If there are 4 water rides, how many rides are there in total?

Is the relation a function? { (-6, - 1), (5,-1), (0, - 1), (-2, - 1), (3, - 1) }

I need to know how to graph (15,45)

82.53 is 315% of what number?

Which is a number between 1/6 and 1/4? A. 7/24 B. 1/7 C. 3/16 D. 2/7