Question 942201
Let {{{ a }}} = fixed charge
Let {{{ b }}} = charge for distance covered
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(1) {{{ a + 10b = 75 }}}
(2) {{{ a + 15b = 110 }}}
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Subtract (1) from (2)
(2) {{{ a + 15b = 110 }}}
(1) {{{ -a - 10b = -75 }}}
{{{ 5b = 35 }}}
{{{ b = 7 }}}
and
(1) {{{ a + 10*7 = 75 }}}
(1) {{{ a = 5 }}}
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{{{ 5 + 25*7 = x }}}
{{{ x = 180 }}}
Jane paid $180 to travel 25 mi