[WILL GIVE MEDAL] How would I do this problem? Its like a riddle: http://imgur.com/DvqAyR2

I get an answer, but it is not one of the choices. Thank You.

Question

[WILL GIVE MEDAL] How would I do this problem? Its like a riddle: http://imgur.com/DvqAyR2

I get an answer, but it is not one of the choices. Thank You.

jim_thompson5910 · Answer

a = vertical intercept
b = slope
y = dependent variable
x = independent variable

y = a + bx

19 = 98 + 84*x

19 - 98 = 84*x

-79 = 84x

84x = -79

x = -79/84

anonymous · Answer

Yes, I also get that same answer, but it is not there. Must be a messed up problem.

jim_thompson5910 · Answer

hmm typo maybe

jim_thompson5910 · Answer

what answer choices do you have?

anonymous · Answer

15, 19, 21, and -4. I got -.94 like you

anonymous · Answer

Must be a typo

jim_thompson5910 · Answer

yeah just bring it up with the teacher and s/he will fix things

anonymous · Answer

Yeah, thank you for help, have a good evening.

jim_thompson5910 · Answer

you too, yw