Question

at the grocery store, youre trying to decide which box of \crunchy os\ cereal is the better deal.

• box a: 450g for $4.99
• box b: 650g for $7.99

which box gives you more cereal for your money? to do this, you can calculate the unit price, which is the cost for a standard amount. find the cost per 1 gram ($/g).

1. calculate the unit price for box a. round to four decimal places.

(hint: unit price = total cost÷total size)
unit price for box a: $__________ per gram

1. calculate the unit price for box b. round to four decimal places.

unit price for box b: $__________ per gram

1. based on your calculations, which box should you buy? explain your reasoning.

Explanation:

Step1: Calculate unit - price of Box A

Unit price of Box A = $\frac{4.99}{450}\approx0.0111$

Step2: Calculate unit - price of Box B

Unit price of Box B = $\frac{7.99}{650}\approx0.0123$

Step3: Compare unit - prices

Since $0.0111<0.0123$, Box A has a lower unit price.

Answer:

1. $0.0111$
2. $0.0123$
3. You should buy Box A because its unit price ($0.0111$ dollars per gram) is lower than that of Box B ($0.0123$ dollars per gram), meaning you get more cereal for your money.