Answer:
He won 4 games
Step-by-step explanation:
Percentage of games he lost= 75%
Let the total number of games be 
75% of
= 12
= 12
75
= 12 x 100
= 
=16
Number of games he won = 16-12
= 4
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Answer:
z / 7
Step-by-step explanation:
C = O / H
O = z
H = 7
Answer:
30
Step-by-step explanation:
30 + 30 = 60
3* 3 = 9
Add the 0s
30 * 30 = 900
I hope I helped!
Let me know if you need anything else!
~ Zoe
Answer:
x= -5
Step-by-step explanation:
-7x + 5(2x - 1) = -20
-7x + 10x - 5 = -20
3x -5 = -20
3x = -15
x = -5