homework
10 x 9
90
how many houses do you think that are in the world
77,000,000,000,000
10 x 4
40
how many people live in houses
71,980,000,000
10 x 6
60
how big is a houses
717 inches
10 x 10
100
how big is a cabin
small
11 x 3
33
how big is a estate
huge