Question

What is the value of y when x = 20?

http://static.k12.com/calms_media/media/1418000_1418500/1418045/1/31a4a65b89c800c4bb4764c4aefd987e32a5a6e0/FGA_130919_161134.jpg

A.
10.4

B.
25.2

C.
100.4

D.
104

Answer 1

@iGreen

Answer 2

@mathmate

Answer 3

do you know how to apply what we know to the problem?

Answer 4

Umm... not really.
I just think we have to multiply or divide

Answer 5

yes we need to multiply, ok.. so the given information is 'x' and we need to find y

Answer 6

so we have y=5.2x

Answer 7

you already know what x is, so we apply that and we get y=5.2(20)

Answer 8

do you see how i did that ?

Answer 9

I think so.
U multiplied 5.2 times 20, which is in the x column, rite?

Answer 10

correct, and then you get y= whatever 5.2 times 20 is

Answer 11

do you understand it better now?

Answer 12

Yes

Answer 13

ok , what did you get as your final answer?

Answer 14

Ok, so would my answer be.. D?

Answer 15

yes it sure will ! 5.2 times 20, is 104 / so y=104

Answer 16

Okie! Thnx for the help! :)

Answer 17

no problem