PLS HELP

1. Maram is a real estate agent. She earns 6.5% commission on each sale she makes. Last month she sold one house for $250,000 and a second house of $310,000. How much did Maram earn in commissions on the two sales?

2. Rock musician Donny West is paid 15% on his tour video online sales. Last year fans downloaded his songs 991,000 times. The songs are downloaded for $1.09. How much did Donny make off of his song sales?

3. Joan sells new cars at a local dealership. She receives a 25% commission on the profit of each car sold. Last month she sold nine cars, for a total of $8,870 dealer profit. How much did she earn in commission?