Paul earns 25.50 for every lawn he mows. this week he moved l lawns. he spends 3.50 per lawn on gasoline. write an expression to describe his earning and spending, where l is the number of lawns mowed?

These question are hard can you me with answers

Can someone me with this problem . show your work .

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?