After ricardo received his allowance for the weekend he went to the mall with some friends he spent half of his allowance on a new paperback book then he bought himself a snack for 1.25 when he arrived home he had $5 left how much was his allowance

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.