The ratio of boys to girls in a school is 9 : 11. If there are 400 pupils in the school, how many boys are there?

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Why do interests rates on loans to be lower in a weak economy than in a strong one

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)