Answer:
50
Step-by-step explanation:
4 books = 200
1 book = x
Now do cross multiplicaton and divide:
1 x 200 ÷ 4
200 ÷ 4
50
The answer is 36.86
(I think)
So basically u keep the x on one side and the rest on the other. Get a common denominator. to get rid of the half u times both sides by 2.
hope this helps
Answer:
2x*x
2x*-5
1*x
1*-5
2x²-10x+x-10 add numbers that have similar variables
-2x²-10x+x-10
=[-2x²-9x-10]
Answer:
10
Step-by-step explanation:
25% is the same as 0.25 so multiply 40 by 0.25.