Question

A box contains 100 colored chips; some are yellow and some are green. John chooses a chip at random, records the color, and places it back in the bag. John has recorded 57 yellow chips and 19 green chips. Using these results, what is the predicted number of green chips in the box?
25
43
76
81

Answer 1

Step 1: add 57 and 19

Answer 2

25 ? i added both 57 and 19 and then subtracted from 100

Answer 3

Step 2: divide the number of green chips by 76

Answer 4

Step 2: divide the number of green chips by 76

Answer 5

57

Answer 6

you got this ... great job, keep it up

Answer 7

@okay101
your approach is not correct - I suggest oyu leave it to @MARC_

Answer 8

sorry I meant 25

Answer 9

Step 1: add 57 and 19\[57+19=76\]Step 2:divide the number of green chips by 76\[\frac{ 19 }{ 76 }= ?\]

Answer 10

what value will u get is u divide 19 by 76?

Answer 11

if*

Answer 12

19/76= 0.25 so its 25?

Answer 13

yeah i am sorry i thought that i was doing something different, i apologize @MrNood @MARC_

Answer 14

correct! The answer is 25...

Answer 15

thank you

Answer 16

yw

Answer 17

i was right @MrNood ... haha

Answer 18

you were right - I didn't say you weren't - but your METHOD was absolutely wrong.

It is important to post HELP not answers - as just '25' does not teach the poster anything at all

Answer 19

well , people do things different ways @MrNood

Answer 20

I appreciate that there are sometimes more than 1 way to tackle a maths problem.

However - in this case YOUR way is not a valid method , and your arrival at the correct answer was just luck