Answer:
80
Step-by-step explanation:
20 x 4 = 80
Answer:

Step-by-step explanation:
Since you want to get q only and q appears in both side of the equation. Try to isolate q to one side.
1) Expand 2(q+p)
2q + 2p = 1 + 5q
2) Move all q terms to one side
5q - 2q = 2p - 1
3q = 2p - 1
3) Divide 3 on both side (to isolate q)
q = 
Answer:
You would need to use 2.4 cups of sugar if you have 2.5 cups of flour.
Step-by-step explanation:
Divide: 3 divided by 2.5=1.2
Multiply: 1.2 times 2=2.4
Answer: 2.4 cups of sugar
Hope this helped!! :)
Brainliest?!?!
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Answer: 20
Step-by-step explanation:
x+y=5
x-y=4
---------
x+y=5
x=4+y
--------
(4+y)+y=5
4+y+y=5
4+2y=5
2y=1
y=0.5
x=4.5
---------
x²-y²=(4.5)²-(0.5)²=20.25-0.25=20