..........pls i need help solving this........i have found it very difficult and confusing.........tnks......
in a class each female has 3 pencils and each male has one pencil and the average number of pencils per student in the class is 1.8. in the same class each female has one pen and each male has 2 pens.
qty A qty B
the average number of pens per student in the class 1.5