I have two questions i need you two answer giving brainliest. (and if you waste my points you are getting reported and they take down post that are reported pretty quickly at this time)

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.