What is equivalent ratios to 4:16?

Charles finished 7 laps around the track. This is 20% of the number of laps he has to do. How many laps must he do?

A company increased their profits by 145% from last year. If their profits were $127,000 last year, how much did they make this year?

Rework problem 9 from the Chapter 2 review exercises in your text, involving the ice cream shoppe. For this problem, assume Gwen and Harry have 5 types of cones and 11 flavors of ice cream.

Kevin has had a checking account for a month. As he reconciles his account, Kevin notices that the dates on his check register do not match the dates on his account statement. He immediately calls the bank to find out what the problem is.

Joshua has 22 1/2 acres of land. He is selling the land in 1/4 acre lots. How many lots does Joshua have to sell?

A used car is priced at $2,695. If you borrow the money for the car, your payments will be $122 a month for 30 months. How much will you save by paying cash?

Of the 1,640 students enrolled at a school, 50% come to school by bus, 35% come by car, and the rest of the students walk to school. How many students walk to school?

The daily supply of oxygen for one person is provided by 625 square feet of lawn. a total of 4375 square feet of lawn would provide the daily supplies of oxygen for how many people?

How to do slope and graph - x+3y=15

Simplify the fraction 12 1/8