Solve the proportion
5/x = 4/8
a. 2
b. 6
c. 8
d. 10

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?