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Word Problem

LeanaLerner

New member
Feb 1, 2020
1
Suppose Jack and Jane are the same height, and Jack's height increases by 15% to 5.75 ft. If Jane does not grow, what is her height?


Thank you in advance for your help and time.
 

skeeter

Well-known member
MHB Math Helper
Mar 1, 2012
639
let $h$ represent Jack and Jane’s original same height ...

$h(1.15)=5.75$

solve for $h$
 

HallsofIvy

Well-known member
MHB Math Helper
Jan 29, 2012
1,151
Expanding on what Skeeter said: If Jack's original height is "X" and increases by "15% of Jack's height" then it increases by 0.15X. So Jack's new height is X+ 0.15X= (1.00+ 0.15)X= 1.15X.