Of 140 seventh-grade students, 15% earn the Presidential Physical Fitness Award. How many students earn the reward?

Strawberries cause two hours per pound kate buys 5 pounds he gets 20% off discount on the total cost how much does kate pay for the strawberries

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.