Translate this sentence into an equation. The product of Rhonda's height and 4 is 52.
Use the variable r to represent Rhonda's height.

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano