36. The seamstress can cut 36 15-inch pieces of ribbon from 5 rolls of 9ft ribbon.
Answer:
i searched it up and it is 2.0944
In order to begin figuring that out, we need to know how both of their plans work.
Answer:
7/4 + 9/-5 =
Since the denominator of the second fraction is negative the sign will change from negative to positive
We will get
7/4 - 9/5
First find the LCM
LCM of 4 and 5 is 20
7/4 - 9/5 = 5(7) - 4(9)/ 20
Simplify
We get
35 - 36/20
= -1/20
Hope this helps
