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calculusxy
 one year ago
MEDAL!!!
If q + r + s = 117, and q = s = 4r, then r =
A. 13
B. 18
C. 30
D. 42
E. 54
calculusxy
 one year ago
MEDAL!!! If q + r + s = 117, and q = s = 4r, then r = A. 13 B. 18 C. 30 D. 42 E. 54

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Nnesha
 one year ago
Best ResponseYou've already chosen the best response.2q =s =4r so you can substitute q and s for 4r

calculusxy
 one year ago
Best ResponseYou've already chosen the best response.1can i substitute numbers from the choices to r?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.2well you can solve for r that would be easy but yea you can :=) \[\huge\rm \color{ReD}{q} + r + \color{ReD}{s} = 117\] \[\huge\rm \color{ReD}{4r} + r + \color{ReD}{4r} = 117\]

calculusxy
 one year ago
Best ResponseYou've already chosen the best response.1why did you leave r single?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.2given is ` q = s = 4r solve for r` we have to solve for `r`

calculusxy
 one year ago
Best ResponseYou've already chosen the best response.1okay thank you. I have another question. can you help?
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