Stacey filled her 1/2 measuring cup seven times how much flour did she use?

3 and 1/2 cups of flour

1/2 times 7/1 = 3 and 1/2

A whole number goes over one when you multiply

3 and 1/2 cups of flour

1/2 times 7/1 = 3 and 1/2

A whole number goes over one when you multiply

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225