Betsy's mom likes to bake. She uses 2 1/2 cups of flour in one batch of her famous chocolate chip cookies.
She needs to bake 3 1/4 batches for her annual cookie swap. She has 7 cups of
flour at home.
Does she have enough flour?
If so, how much extra will she have? If not, how much
more does she need?

She doesn't have enough flour

8 1/8 - 7 = 1 1/8 cups more of flour

Step-by-step explanation:

2 1/2 = 5/2

3 1/4 = 13/4

5*13 = 65

2*4 = 8

65/8 = 8 1/8

She doesn't have enough flour

8 1/8 - 7 = 1 1/8 cups more of flour

Hope this helps! :)

for the friend request.

when a figure, such as triangle (xyz) is reflected over the line y = x to create x'y'z' the x-coordinates and y-coordinates of the original image (pre-image) will be reversed for the image. (e.g., (x, y) > (y, x)) this means that the pre-image position of the x- and y-coordinates switch places which in turn provides a mirror like image of the original xyz.  

i notice that when i draw a line segment from x to x', that the points are parallel from each other -- they are exactly across from each other and do not intersect with any other points.  

yes, think i would see the same characteristic if you drew the line segment connecting y with the reflecting line and then y' with the reflecting line because of the essence of reflections. because it is a mirror image, each point was effected the same way which leads me to conclude that they same would apply to y and y'.