a number multiplied by 4/5 is -8/25 write the word sentence as an equation then solve

Elijah brought a total of 16 pounds of peanuts and cashew nuts and paid $49.50. if peanuts cost $2.75 per pound and cashew nuts cost $3.25 per pound, how many pounds of cashew nuts did he buy?

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

What number is 7 units left of -15?