Question

Casey is (55 - 2x) cm tall. Her sister is (X + 46) cm tall. Calculate the difference in their heights. A 2 - X B 4 - 3x C 9 - 3x D 10 - X​

Answer 1

`\huge\underline\color{green}{Answer ☘}`

cαѕєч'ѕ hєíght = ( 55 - 2х )cm

cαѕєч'ѕ ѕíѕtєr'ѕ hєíght = ( х + 46 )cm

díffєrєncє вєtwєєn thєír hєíghtѕ =

`(55 - 2x) - (x + 46) \\ => 55 - 2x - x - 46 \\ => - 3x + 9 \\ = > 9 - 3x`

thєrєfσrє...

σptíσn (c) = 9 - 3х íѕ thє cσrrєct αnѕwєr..

hσpє hєlpful~