7) Sarah is a hairdresser. At her salon, she charges $15 per woman and On Saturday, she made $ 5053 and gave 355 haircuts (men and women). How many women got a haircut? How many men got a haircut? 8) Martin mows lawns. He charges $26 per house and $32 per cottage for this service. On Saturday, he made $ 24328 working at 830 houses and cottages. How many houses were there? How many cottages were there? 9) Mike's Garage does oil changes on vehicles. For an oil change, they charge $32 per car and $46 per truck. On Monday, the garage made $ 1620 and did oil changes on 41 cars and trucks. How many cars were there? How many trucks were there?