Question 1024308
1.{{{A+B=60}}}
.
.
.
{{{1.5A+4B=2.5(A+B)
{{{1.5A+4B=2.5(60)}}}
2.{{{1.5A+4B=150}}}
.
.
From eq. 1,
{{{4A+4B=240}}}
{{{4B=240-4A}}}
Substituting into eq. 2,
{{{1.5A+(240-4A)=150}}}
{{{-2.5A+240=150}}}
{{{-2.5A=-90}}}
{{{A=36}}}{{{oz}}}
Then,
{{{B=60-36}}}
{{{B=24}}}{{{oz}}}