Claire estimates that it will cost $455,000 to send her newborn twin sons to a private college in Hawaii in 18 years. She currently has $45,000 to deposit in an account. What simple interest rate would she need so that her money grows into $455,000 in 18 years? Round to the nearest hundredth percent.

Simplify the expression. -2/5(10+15m-20n)

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?