Question 1203581

let {{{1}}} loave of bread be {{{ b}}}

If four loaves of bread costs ${{{ 8}}}, 

{{{ 4b=8}}}
{{{ b=8/4}}}
{{{ b=2}}}
{{{ 1 }}}loave of bread cost ${{{ 2}}}


a loaf of bread and a bag of oranges costs ${{{ 7}}}, 

loave of bread cost ${{{ 2}}}
let a bag of  oranges be {{{ o}}}

{{{ 2+o=7}}}

{{{ o=7-2}}}

{{{ o=5}}}

a bag of oranges costs ${{{ 5}}}


and a loaf of bread, two bags of oranges and a basket of apples costs ${{{ 17}}}, 

let a basket of apples be {{{ a}}}


{{{ 2+2*5+a=17}}}

{{{ 12+a=17}}}

{{{ a=17-12}}}

{{{ a=5}}}


 the cost of a basket of apples:${{{ 5}}}