Question 694491
(1) {{{ A/B = 4/3 }}}
(2) {{{ A + 6 = 26 }}}
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Multiply both sides of (1) by {{{ 3B }}}
(1) {{{ 3A = 4B }}}
and
(2) {{{ A = 20 }}}
Substitute (2) into (1)
(1) {{{ 3*20 = 4B }}}
(1) {{{ 4B = 60 }}}
(1) {{{ B = 15 }}}
The choice is (a)