Math Best Buy
posted by Frank .
In comparing prices of canned peaches, Darren finds that a 10oz can costs 98 cents, a 16oz can costs $1.49, and a 24oz can costs $2.35. Which is the best buy?
My Guess:
10oz*2.4=24oz
2.4*$.98=$2.35
16oz*1.5=24oz
1.5*$1.49=$2.24
24oz=$2.35
Best Buy 16oz for $1.49In comparing prices of canned peaches, Darren finds that a 10oz can costs 98 cents, a 16oz can costs $1.49, and a 24oz can costs $2.35. Which is the best buy?
My Guess:
10oz*2.4=24oz
2.4*$.98=$2.35
16oz*1.5=24oz
1.5*$1.49=$2.24
24oz=$2.35
Best Buy 16oz for $1.49
I have not a clue as to what work you did. You need to compare the unit prices, in this case, cents per ounce.est Buy 16oz for $1.49In comparing prices of canned peaches, Darren finds that a 10oz can costs 98 cents, a 16oz can costs $1.49, and a 24oz can costs $2.35. Which is the best buy?
Divide each price by the ounces:
1) 2.35/24= 9.792 cents/oz
149/16 = 9.31 cents/oz
98/10 = 9.8 cents/oz
The cheapest? the one in the 16 oz can.
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