jack an joan painted 3 houses in 12 days.At that rate, how many houses can they paint in 28 days??

3 answers

3 houses/12 days = 1 house/4 days (simplifying fraction)

28 days * (1 house/4 days) = 7 houses
DESCIBE THE TOOLS AND THE PROCESS YOU WOULD USE TO CREATE A DESIGN WITH REFLECTIONAL SYMMENTRY FROM A BASIC DESIGN ELEMENT..
maybe do new x = - old x
and new y = old y ?