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kipiarov [429]
3 years ago
13

Mallory is on a budget and wants to determine which cereal is a better buy. A 10-ounce box of Cereal A costs $2.70 and a 13-ounc

e box of Cereal B costs $3.64. The store is selling each cereal in 15 ounce boxes. Which cereal is cheaper and by how much?
Mathematics
1 answer:
Scorpion4ik [409]3 years ago
8 0

Answer:

Cereal A is cheaper by $0.15

Step-by-step explanation:

Cost of a 10-ounce box of Cereal A = $2.70

So,

Cost of a 1-ounce box of Cereal A = \frac{2.70}{10}=\$0.27

Cost of a 15-ounce box of Cereal A = 0.27(15)=\$4.05

Also,

Cost of a 13-ounce box of Cereal B = $3.64

So,

Cost of a 1-ounce box of Cereal B = \frac{3.64}{13}=\$0.28

Cost of a 15-ounce box of Cereal B = =0.28(15)=\$4.2

Here,

Cost of a 15-ounce box of Cereal B - Cost of a 15-ounce box of Cereal A = 4.2-4.05=\$0.15

Therefore,

Cereal A is cheaper by $0.15

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