Question

45 POINTS PLEASE HELP!

Jack popped some popcorn, but 3 of the 150 kernels did not pop.

Determine which popcorn snacks below has the same ratio of unpopped to total kernels as Jack's popcorn.

CHOOSE 2 ANSWERS


2 unpopped out of 75 kernels


4 unpopped out of 200 kernels


5 unpopped out of 175 kernels


1 unpopped out of 50 kernels

Answer 1

4 unpopped out of 200 and 1 unpopped out of 50 are the correct answers.

Explanation:

I had this on my Khan Academy too :)

Answer 2

Hello,

Question:

Jack popped some popcorn, but 3 of the 150 kernels did not pop.

Determine which popcorn snacks below has the same ratio of unpopped to total kernels as Jack's popcorn.

We Know:

3 out of 150 did not pop

Solution:

3/150 = 3 to 150

Find ratios similar to this one,

4/200

2/100

1/50

So now we know for every kernel that dosent pop there are 50 that did.

Answers:

4 unpopped out of 200 kernels

1 unpopped out of 50 kernels