Answer :
Out of the 20 homes, only 13 have a personal computer.
20 goes into 60 how many times?
60/20=3
Multiply 13 by 3 because that is how many "groups" there are
13*3=39
There are 39 houses with computers
20 goes into 60 how many times?
60/20=3
Multiply 13 by 3 because that is how many "groups" there are
13*3=39
There are 39 houses with computers