1. a 3-ounce can of tomato sauce costs $1.68. in cents, what is the price per ounce ?

2. how many cds can edward buy for $14 each and spend the same amount he would to buy 60 cds for $7 each ?

1) 5.6 cents

2) 30 cds

Step-by-step explanation:

For both problems we can use the Rule of Three:

1) If 3 ounces of tomato sauce cost , how many will cost 1 ounce?:

3 oz ---

1 oz --- ?

Then:

This is the price in dollars, now we have to calculate it in cents, taking into account that :

 This is the price in cents of 1 ounce of tomato sauce

2) If Edward buys 60 cds for each, what is the cost of 60 cds?:

60 cds ---?

1 cd ---

This is what Edward spends in 60 cds for each

Now, we have to calculate how many cds Edward can buy for each and spend the same :

1 cd ---

? cds ---

Finally:

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step-by-step explanation:

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step-by-step explanation:

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