Question 1070252
Let {{{ d }}} = distance Jodi's horse travels  in 2 hrs
{{{ d - 2 }}} = distance Abe's horse travels in 2 hrs ( slower horse )
Let {{{ s }}} = Abe's horse's speed in mi/hr
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Jodi's Equation:
(1) {{{ d = 4*2 }}}
Abe's equation:
(2) {{{ d - 2 = s*2 }}}
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(1) {{{ d = 8 }}}
Plug this result into (2)
(2) {{{ 8 - 2 = 2s }}}
(2) {{{ 2s = 6 }}}
(2) {{{ s = 3 }}}
Abe's horse's speed is 3 mi/hr
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check:
(2) {{{ d - 2 = s*2 }}}
(2) {{{ d - 2 = 3*2 }}}
(2) {{{ d = 2 + 6 }}}
(2) {{{ d = 8 }}}
OK