Create an equivalent expression by simplifying the expression.

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Yvaries inversely as x. y =12 when x=5. find y when x=4

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?