The table shows the number of days required to perform a given number of chores. The number of days varies directly with the num
ber of chores. What is the constant of variation?
1 answer:
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Answer:
A box of oat cereal cost lees than a box of rice cereal cost per ounce.
Step-by-step explanation:
Given:
15 oz of oat cereal cost = $3.90
11 oz of rice cereal cost = $3.30
We need to find the which box of cereal cost less per ounce.
Solution.
First we will find cost of 1 oz of oat cereal.
Now we know that;
15 oz of oat cereal cost = $3.90
1 oz of oat cereal cost = cost of 1 oz of oat cereal.
By Using Unitary method we get;
cost of 1 oz of oat cereal =
Now we will find cost of 1 oz of rice cereal.
Now we know that;
11 oz of rice cereal cost = $3.30
1 oz of rice cereal cost = cost of 1 oz of rice cereal.
By Using Unitary method we get;
cost of 1 oz of rice cereal =
Now from above we can see that cost of 1 oz of oat cereal is $0.26 and cost of 1 oz of rice cereal is $0.3.
Hence we say that, A box of oat cereal cost lees than a box of rice cereal cost per ounce.