You use 4 gallons of water on 30 plants in your garden. at that rate, how much water will it take to water 45 plants?

Agroup of five people go out to eat and buy appetizers and main dishes they decide to split the bill so each person pays 20% of the total cost appetizers are $5 and main dishes are $10 write an expression to show how much each person pays explain it with how to solve the problem