Some math questions on dec sat

<p>@Niquii77 how is 200 wrong? thats what I got</p>

<p>Oh! Then nevermind!</p>

<p>I got 450 birds left. I did: 300/4 = 75. I counted 75 as 10%. 75 X 6 = 450.
Might be wrong…already got a few wrong anyway lol</p>

<p>by the way, was anyone else really stuck on the two boxes of colored pencils question? i found out that i guessed correctly, but i kept reading the question incorrectly and getting answers not on the multiple choice…</p>

<p>The one where they asked how many points on the plot show that adding stuff to the tank lowered gas mileage. I put 2</p>

<p>@shnn277 was the colored pencils answer 3/4?</p>

<p>I got 3/4 for the colored pencils too!</p>

<p>yeah i think it was 3/4, because you multiply 1/1 (it didn’t matter which pencil you picked) and 3/4 (because 3 out of the 4 were of different color).</p>

<p>All I did was do 6/8 which would be 3/4 lol</p>

<p>yup that was my reasoning, good thing i got it right.</p>

<p>I got 480 for the bird question. 300 was 40 percent so you multiply 300 by 1.6 to find the remaining 60 percent which is 480</p>

<p>@oscarlany, there was 40% left which means the birds ate 60% in 300 tries .6/300=.4/x</p>

<p>For the bird question, 300 birds had come to feed. Then it showed that 40% of the food/water was left. This means that 300 birds ate 60% of the original food/water. Therefore, 100 birds eat 20% each so 200 birds would be needed to eat the remaining 40%. That is how I read it at least.</p>

<p>Yes jbeck is right. 300 birds used 60%. i just set up a proportion. i think a lot of people made it harder than it was. each 100 birds used 20% of the food. so 500 total birds could eat but only 200 left.</p>

<p>It’s even simpler than that. 300 birds ate 60%. 300 divided by .6 is 500. 500-300 equals 200 birds.</p>

<p>I also put 450 for the bird question.</p>

<p>Does anyone remember what number question the birds one was?</p>

<p>@marie96 it was on the left side of my book if that helps lol.</p>

<p>Ha, mine too! lol How did you get your answer?</p>

<p>I used a proportion. I don’t remember what the question asked but I got 450 .</p>