Answer to Question #140310 in Algebra for keerthi

Question

the equation c=10+0.25m represents the cost, Cof a cell phone bill if m min, are used. Which equation represents a bill of $25

Answer 1

$$c=10+0.25m$$

$$c=25, 25=10+0.25m$$

$$0.25m=15$$

$$m=60\ minutes$$