Question-166321

Question Number 166321 by mathls last updated on 18/Feb/22

Answered by alephzero last updated on 19/Feb/22

x - t a b l e

y - c a t

z - t u r t e

\Rightarrow {\begin{cases} y + x - z = 170 \\ z + x - y = 130 \end{cases}

y = 170 - x + z

\Rightarrow z + x - 170 + x - z = 130

\Rightarrow x - 170 + x = 130

\Rightarrow 2 x - 170 = 130

\Rightarrow 2 x = 300

\Rightarrow x = 150 cm

Commented by alephzero last updated on 18/Feb/22

A n s w e r : {table}^{'} s height is 150 cm

Commented by mathls last updated on 18/Feb/22

t h a n k s s o m u c h

Commented by peter frank last updated on 19/Feb/22

Good