You own a roofing company. The roofers are replacing shingles on a house. It takes of a 50-pound box of nails to install shingles on 1/4 of the roof. How many boxes of nails will the company need to install shingles on the entire roof?

A. 7/32
B. 2/7
C. 7/4
D. 32/7
E. 7/2

One integer is 8 times another. if the product is 72, then find the integers

Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?