Question 513261
Let {{{a}}} = Abdul's age
Let {{{f}}} = Father's age
given:
(1) {{{ a/2 + 44 = f }}}
(2) {{{ f = 54 }}}
Substitute (2) into (1)
(1) {{{ a/2 + 44 = 54 }}}
(1) {{{ a/2 = 10 }}}
(1) {{{ a = 20 }}}
Abdul is 20