Question 512428
Let {{{j}}} = Jack's age now
Let {{{y}}} = Lacy's age now
given:
(1) {{{ j = 2y }}}
(2) {{{ j + 3 + y + 3 = 54 }}}
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(2) {{{ j + y = 48 }}}
Substitute (1) into (2)
(2) {{{ 2y + y = 48 }}}
(2) {{{ 3y = 48 }}}
(2) {{{ y = 16 }}}
and
(1) {{{ j = 2y }}}
(1) {{{ j = 32 }}}
Jack is 32 and Lacy is 16