Question 164101
5.40x+5(40-x)=40*5.25
5.40x+200-5x=210
.4x=210-200
.4x=10
x=10/.4
x=25 kg of $5.40 nuts are needed.
40-25=15 kg of $ 5.00 nuts are needed.
Proof
5.40*25+5(40-25)=40*5.25
135+5*15=210
135+75=210
210=210