Say he mows 1 lawn every day, per week. He'd spend a total of $10.50 on gas and $7 for an advertisement for that week. Which would equal his total profit being $52.50 per week is his business.
Simplify your regular answer then you'll get it.
35% of 20 = 35/100 × 20 = 7 boys
pls mark brainliest