Psat form s #15 math

Test Preparation SAT Preparation
1

<p>Can someone explain to me this problem?</p>

<p>Here is the table it comes with:</p>

<hr>

<pre><code> ** Prices of Canned Corn**
</code></pre>

<p>Brand | Ounces Per Can | Cost of Can
H | 10 | $0.50
K | 16 | $0.75
P | 28 | $1.00</p>

<hr>

<p>The chart above indicates the brand of canned corn available at a certain store. If a recipe calls for 60 ounces of corn, what is the least amount one could spend on enough corn at this store for this recipe?</p>

<p>A) $2.25
B) $2.50
C) $2.75
D) $3.00
E) $3.25</p>

<p>Answer is B</p>

<hr>

<p>Explain to me the easiest and quickest way to solve this problem? :(</p>

2

<p>Brand H = $0.05 / oz
Brand K = $0.046875 / oz
Brand P = $0.0357142857 / oz</p>

<p>Because Brand P gets you the best price per ounce, you buy as much as you can of Brand P before hitting the 60 ounce mark, and then you buy the can that is cheapest to get you over the 60 ounce mark. You would want to buy two cans of Brand P, bringing you to 56 ounces per $2. (It wold cost you $2.25 to get to that point with Brand K and $3 to get to that point with Brand H.) You need four more ounces to reach the 60 ounce mark. Because the least amount of ounces any can contains is 10 ounces, you want to go with the cheapest possible can of corn. Therefore, you will buy one can of Brand H for $0.50, bringing your total to $2.50. This is the cheapest way to break 60 ounces of corn.</p>

3

<p>I had that also Keasbey…
The answer is $2.50 though… hmm…</p>

4

<p>ohhh ok, so your saying you would buy two cans of P and one can of H?</p>

5

<p>Yes, I am.</p>

6

<p>thanks, i get it now :)</p>