Answer:
A=50
Step-by-step explanation:
assuming you mean 100-A+20-70=0
you need to solve for A, which means add all your numbers together and isolate A.
-A+50=0
A=50
Answer: She needed
to make a cup of jam .
Step-by-step explanation:
Since we have given that
Sarah used
pound of blueberries to make
cup of jam.
As we need to find the number of pounds of blueberries she would need to make a cup of jam.
So, we will use "Unitary Method":

Hence, She needed
to make a cup of jam .
Number one is 33 < 1118 so true and number two is infinite solutions so it would be true as well
Answer:
13(4x-13)
if you distribute it then you come back with 52x-169.