amy is 3 years older than beth and five years younger thrn jo. if beth is b years, how old is jo, in terms of b.

How many different ways can you make change for $.50 using only nickels, dimes, and quarters?

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}