4 Eli's family is going to have a big go-cart race and each go-cart takes 3-gallon of gas. If there are 7 go-carts, how many total gallons of gas do they need to fill up all the go-carts?

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.

What are the greatest common factor of 75 and 30