Question

Math help !

Answer 1

Eli has 7 black pens and 5 blue pens in his desk drawer. He also has 3 yellow highlighters, 2 green highlighters, and 5 pink highlighters in his pencil case. If he chooses one pen and one highlighter without looking, what is the probability that he will get a black pen and he will not get a green highlighter?

Answer 2

7/22 and 20/22

Answer 3

whats the percentage?

Answer 4

@terenzreignz

Answer 5

multiply 7/22 and 20/22, then times 100%

Answer 6

so do 7/22*20/22 = then times 100% ?

Answer 7

you should get 2 precentages 7/22 *100 and 20/22*100

Answer 8

times 100% cause it 7/22*20/22 will give you a decimal number, and since you want your answer in percentage, so you need to times 100%. Note % =1/100, so by multiply 100%, you are basically multiply 1

Answer 9

he did it a diffrent way but same result

Answer 10

7/22*100 i got 31.818
20/22*100 i got 90.9090

Answer 11

now what ?

Answer 12

what are the possible answers is it multiple choice?

Answer 13

46.7%
11.7%
33.3.%
8.3%

Answer 14

I think it should be 7/12 (the chance of black pen) multiply by 8/10 (the chance not to pick green highlighter)

Answer 15

Finally, @ghostfire ^.^

Answer 16

so what is my answer after doing all the solving

Answer 17

so what do you get for 7/12 times 8/10?

Answer 18

7/15

Answer 19

46%

Answer 20

46.66666%, 46.7% when you round it up.