Question

Help with writing expressions: Neil is selling candy bars at the ball game and on average, manages to sell one bar every 2 minutes.

Answer 1

OK what's the question?

Answer 2

By reading that I need to come up with an expression

Answer 3

write it as a ratio

Answer 4

OK... Well I guess you could say that
x= time in minutes
y= candy bars sold in total

If he sells 1 bar every 2 minutes, that's the same as 1/2 candy bar every minute. So

y=(1/2)x

Answer 5

So what if the guy stated with 64

Answer 6

started with 64??

Answer 7

Yeah I got the expression is -1/2x+64

Answer 8

I would write
\[ \frac{ 1 \text{ candy bar }}{2 \text{ minutes }} \]

Answer 9

now what do you want to do with this ?

Answer 10

If he has sold 64 candy bars then you can set up a ratio:
\[ \frac{ 1 \text{ candy bar }}{2 \text{ minutes }} = \frac{ 64 \text{ candy bar }}{x \text{ minutes }} \]