Charlotte needs at least $3 in postage to mail a package. She has 9 stamps total, where some are $0.22 and $0.42. Which system of inequalities represents the above situation? A. a + b ≤ 9 .22a + .42b ≤ 3 B. a + b ≤ 9 .22a + .42b 3 C. a + b ≤ 9 .22a + .42b ≥ 3 D. a + b

Question

Charlotte needs at least $3 in postage to mail a package. She has 9 stamps total, where some are $0.22 and $0.42. Which system of inequalities represents the above situation?

A.	a + b ≤ 9 
.22a + .42b ≤ 3

B.	a + b ≤ 9 
.22a + .42b > 3

C.	a + b ≤ 9 
.22a + .42b ≥ 3

D.	a + b < 9 
.22a + .42b ≥ 3

hero · Answer

This is tricky and you have to think in order to figure it out. No guessing.

anonymous · Answer

How exactly do i do it though?

anonymous · Answer

@Hero

hero · Answer

Well, it's not that straightforward to explain.

anonymous · Answer

I think the answer is either C ir D?

hero · Answer

One of those is the answer but I still think you are guessing.

anonymous · Answer

I kinda did and kinda didn't. I just don't know how to determine which it is @Hero

hero · Answer

1. You have 9 stamps in total which means a + b must be equal to 9

anonymous · Answer

@Hero so is it C?

hero · Answer

Yes, good job.