5 times because with common denominaters(remeber:what you do the top you always do to the bottom or what you do the bottom you do to the top)7/8=21/24 1/6=4/24.21 divided by 4 equals 5.5 but you want a whole loaf of cheese bread not a half so you would round it to 5.
10*8=80
3*8=24
80-24=56
You would save $56.00 in 8 weeks
Axiom and postulates. They are considered to be self evident.