Which is better- 20 car washes for $100 or 5 car washes for $45?
20 for $100 because each car wash is $5, compared to each car wash being $9.
Which is better-12 oz. bag of chips for $3.36 or a 3 oz. bag for $0.75?
3 oz bag is a better price because 1 oz is $0.25 compared to $0.28
.A store had 7 green chairs for $141.54 or 5 brown chairs for $101. Which color chair has a lower unit price?
The brown chair has a lower unit price ($20.20, compared to $20.22)
3 buses can carry 150 people. What is the number of people that can be carried by 5 buses.
50 people
Martha sells apples in 5 lb. bags for $3.80, or Steve sells apples in 3 lb. bags for $2.25.
The 3 lb bag because it is $0.75, compared to $0.76.
In basketball, Katrina makes 12 out of every 18 free throws.If she attempted 39 free throws, how many should she make?
She would make 26 baskets.
At a Book exhibition, vendor 1 was selling a 5 books set for $42.00. Vendor 2 was selling a 6 books set for $50.58. Which vendor had the better deal?
Vendor 1 had the better deal because each book was $8.40, compared to vendor 2 whose books were $8.43.
You are making containers of marbles for a game using the ratio 5 parts blue, 8 parts green and 2 parts red. If you need to make 45 cups of marbles, how many of each color marble will you need?
Each part is x 3 because 15 x 3= 45
5 x 3= 15 blue
8 x 3= 24 green
2 x 3= 6 red
15 + 24 + 6 = 45