Aliyah has $94 in 13 bills in her wallet, including ones, fives, and twenties. If she has one less twenty dollar bill then she has one dollar bills, how many of each denomination does Aliyah have in her wallet?

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.

Which expression is equivalent to the expression shown?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).