Question Number 206629 by aras18 last updated on 20/Apr/24
Answered by Frix last updated on 20/Apr/24
$${a}+{b}−{c}=\mathrm{170} \\ $$$${a}−{b}+{c}=\mathrm{130} \\ $$$$======= \\ $$$$\mathrm{2}{a}\:\:\:\:\:\:\:\:\:\:\:=\mathrm{300} \\ $$$$\:\:\:{a}\:\:\:\:\:\:\:\:\:\:\:=\mathrm{150} \\ $$
Answered by mr W last updated on 21/Apr/24
Commented by mr W last updated on 21/Apr/24
$${height}\:{of}\:{table}\:=\frac{\mathrm{130}+\mathrm{170}}{\mathrm{2}}=\mathrm{150} \\ $$