Question 987438
j, how many frozen Juices
w, how many bottles of Water


{{{system(j+w=290,2.50j+2w=645)}}}


{{{system(2j+2w=580,2.5j+2w=645)}}}
Now ready for Elimination Method for first finding j.


{{{2.5j+2w-(2j+2w)=645-580}}}
{{{0.5j=65}}}
{{{highlight(j=130)}}}


{{{w=290-j}}}
{{{w=290-130}}}
{{{highlight(w=160)}}}