I need help too is it 20,5,100,60 for answers use a unit rate to solve it somebody respond

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

What is the solution of the systems of equations? y=2/3x+3 x=-2

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?