Question 846659
Let {{{ a }}} = number of 3-point kicks
Let {{{ b }}} = number of 1-point kicks
--------------------------------
(1) {{{ a + b = 38 }}}
(2) {{{ 3a + 1*b = 70 }}}
------------------------
Subtract (1) from (2)
(2) {{{ 3a + b = 70 }}}
(1) {{{ -a - b = -38 }}}
{{{ 2a = 32 }}}
{{{ a = 16 }}}
and
(1) {{{ a + b = 38 }}}
(1) {{{ 16 + b = 38 }}}
(1) {{{ b = 22 }}}
Joe kicked 16 fg's and 22 ep's
check:
(2) {{{ 3a + b = 70 }}}
(2) {{{ 3*16 + 22 = 70 }}}
(2) {{{ 48 + 22 = 70 }}}
(2) {{{ 70 = 70 }}}
OK