Question

pls help i want right anwer

Answer 1

A.19)1(1/2)+2(1/4)+1+2(1/2)+1(3/4)+1
=(1/2)+(1/2)+(1)+(1)+(3/4)+(1)
=(2/4)+(2/4)+(1/4)+(1/4)+(3/4)+(4/4)
=13/4
=3(1/4)kg
or 325/100=3.25

A.20)=1/8+1/25+3/10
=(25/200)+(8/200)+(60/200)
=93/200
or 465/1000=0.465