Answer:
x = 2
Step-by-step explanation:
2(x+1)=3x
2x+2=3x
2x - 3x=-2
-x=-2
Answer:
69
Step-by-step explanation:
first 135
second 135 - 20% = 135 - 27 = 108
third 108 - 20% = 108 - 21.6 = 86.4
fourth 86.4 -20% = 86.4 -17.28= 69.12
rounded 69
Use a proportion.
2 adults to 18 students is as x adults to 99 students.
2/18 = x/99
18x = 2 * 99
18x = 198
x = 11
Answer: 11 adults
Hey there :)
9( n - 4 ) - 4n ( n - 4 )
We can take ( n - 4 ) as common as both are getting multiplied by ( n - 4 )
We can join 9 - 4n together
Therefore, the final answer will be ( n - 4 )( 9 - 4n )
