Students at springfield school can join either the orchestra or the marching band. students cannot join both groups. how many 7th graders are in the band?

How do i take any fraction and make it into a decimal or percentage?

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.

Jan and wayne went to the store to buy some groceries. jan bought 2 cans of corn beef hash and 3 cans of creamed chipped beef for $4.95. wayne bought 3 cans of corn beef hash and 2 cans of creamed chipped beef for $5.45. let h represent the price of a can of corn beef hash, and c represent the price of a can of creamed chipped beef. which system of equations models the word problem on the left? 3h + 2c = 4.95 2h + 3c = 5.45 2h + 2c = 4.95 3h + 3c = 5.45 2h + 3c = 4.95 3h + 2c = 5.45 3h + 3c = 5.45 2h + 2c = 4.95