1. Jason made the best buy.
- Lisa: $2.95 / 5 lbs = $0.59 per pound
- Jason: $2.24 / 4 lbs = $0.56 per pound
- Jessica: $1.74 / 3 lbs = $0.58 per pound
Jason’s price per pound is lowest.
2. Allen made the best buy.
- Mike: $1.10 per quart (given)
- Tim: $13.92 / 12 quarts = $1.16 per quart
- Allen: $9.68 / 8 quarts = $1.21 per quart
Mike’s price per quart is lowest.
3. Lindsey made the best buy.
- Audrey: $31.50 / 0.5 oz = $63.00 per oz
- Lindsey: $126.00 / 2 oz = $63.00 per oz
- Brenda: $183.00 / 3 oz = $61.00 per oz
Brenda’s price per oz is lowest.
4. Ryan made the best buy.
- Grant: $476.50 / 50 posts = $9.53 per post
- Paul: $319.36 / 32 posts = $9.98 per post
- Ryan: $263.90 / 26 posts = $10.15 per post
Grant’s price per post is lowest.
5. Fishy Business made the best buy.
- Fishy Business: $825.00 / 2,500 fish = $0.33 per fish
- Crystal Fish Bowl: $1,080.25 / 3,725 fish = $0.29 per fish
- Fins and Gills: $0.30 per fish (given)
Crystal Fish Bowl’s price per fish is lowest.
Parent Tip: Review the logic above to help your child master the concept of consumer math word problems.