Question 1108004
Let {{{ a }}} = Ahmed's age now
Let {{{ b }}} = Gabrielle's age now
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(1) {{{ a = b + 2 }}}
(2) {{{ a + 5 + b + 5 = 68 }}}
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(1) {{{ a - b = 2 }}}
(2) {{{ a + b = 58 }}}
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Add (1) and (2)
{{{ 2a = 60 }}}
{{{ a = 30 }}}
and
(2) {{{ a + b = 58 }}}
(2) {{{ 30 + b = 58 }}}
(2) {{{ b = 28 }}}
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Ahmed is 30
Gabrielle is 28
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check:
(1) {{{ a - b = 2 }}}
(1) {{{ 30 - 28 = 2 }}}
and
(2) {{{ a + b = 58 }}}
(2) {{{ 30 + 28 = 58 }}}
OK