Asked by savepuppy
Which is the best to buy????
A $10.88 for 7 can of tuna
B $11.55 for 6 can of tuna
C $17.25 for 9 cans of tuna
D $15.31 for 8 cans of tuna
PLZZ HELP ME I REALLY NEED HELP
A $10.88 for 7 can of tuna
B $11.55 for 6 can of tuna
C $17.25 for 9 cans of tuna
D $15.31 for 8 cans of tuna
PLZZ HELP ME I REALLY NEED HELP
Answers
Answered by
Ms. Sue
Divide the price by the number of cans.
10.88 / 7 = $1.55 per can
Do the others the same way.
10.88 / 7 = $1.55 per can
Do the others the same way.
Answered by
savepuppy
so C is the answer because it would be 1.91??
Answered by
Ms. Sue
Aaarrggghh!
Why do you think paying almost 40 cents more is the best buy???
Why do you think paying almost 40 cents more is the best buy???
Answered by
savepuppy
not everyone is smart like u so plz be nice to me thank u and NVM THANK U ANYWAYS
Answered by
MathMate
When we go to the supermarket, with four similar items at different prices and packaging, we need to find the unit price of EACH of the four items in order to determine the best (lowest) unit price.
Unit price can be found by the formula
unit price = price / number of units or size
Ms. Sue already gave an example that the first item's unit price is 10.88/7=$1.55 per can.
She also suggested you to calculate the 3 remaining prices in order to find the least expensive price.
You have come up with a price of $1.91 which is 36 cents <b>more</b> expensive than the first case, which means that you have not been comparing prices.
You need to calculate the three remaining prices and find the least expensive (best) price of the four in order to solve this problem.
I hope this explanation is clear, if not, feel free to post, but
please,
do not start budging into other people's posts without contribution to the answer.
Unit price can be found by the formula
unit price = price / number of units or size
Ms. Sue already gave an example that the first item's unit price is 10.88/7=$1.55 per can.
She also suggested you to calculate the 3 remaining prices in order to find the least expensive price.
You have come up with a price of $1.91 which is 36 cents <b>more</b> expensive than the first case, which means that you have not been comparing prices.
You need to calculate the three remaining prices and find the least expensive (best) price of the four in order to solve this problem.
I hope this explanation is clear, if not, feel free to post, but
please,
do not start budging into other people's posts without contribution to the answer.
Answered by
savepuppy
umm thx but I got it
Answered by
MathMate
Great!
Answered by
Melody.S
So, A is the best buy: $10.88 for 7 cans of tuna. Technically, you can tell that's the answer just buy looking at it, because who wants to buy a whole can for a dollar (because the other answers raise it to about a dollar a can)? Anyways, thanks Ms. Sue for telling me how to do it and you're welcome to those a gave the answer to: A.
Answered by
I'm terrified of math
Thanks for telling me HOW to do it as well.
Answered by
trade mark
A is the best buy
Answered by
yep it's a but heres an explanation
For each possible divide the cost by the amount of cans
so...
A. 10.88/7=1.55
B. 11.55/6=1.93
C. 17.25/9=1.92
D. 15.31/8=1.91
so A would be the cheapest, I know other people already answered this but incase other questions like this come up, rather than searching them use this strategy. Also, yes I did look it up I just wanted to check my answers because these kind of questions are my favorite :)
so...
A. 10.88/7=1.55
B. 11.55/6=1.93
C. 17.25/9=1.92
D. 15.31/8=1.91
so A would be the cheapest, I know other people already answered this but incase other questions like this come up, rather than searching them use this strategy. Also, yes I did look it up I just wanted to check my answers because these kind of questions are my favorite :)
Answered by
qwertyuiop
i got the same answer (a)
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