Answer:
Total number of people in the stadium = 520
Step-by-step explanation:
Let the total number of people in the stadium = x
Since, 25% of the fans are teenagers, number of teenagers in the stadium
= 25% of x
=
= 0,25x
If the number of teenagers in the stadium = 130
0.25x = 130
x =
x = 520
Therefore, total number of fans in the stadium = 520.
Answer:
5,33333.....
Step-by-step explanation:
A number is rational if it could be written as x/y with x and y are integer numbers
so 5,33333=5,(3)=5 3/9 =(5*9+3)/9=48/9 is a rational number
Answer:
<em>( - 1 , - 4 ) </em>
Step-by-step explanation:
y = 3x - 1
y = x - 3
3x - 1 = x - 3 ⇒ <u><em>x = - 1</em></u>
y = 3( - 1 ) - 1 = - 4
<u><em>y = - 4</em></u>
<em>( - 1 , - 4 )</em>
No. of hours she tools lessons in a day = 1 ¾ hrs = 1.75 hrs
No. of days she took lessons = 8
Total no. of hours she took lessons = 8 × 1.75 = 14 hours
ANSWER = c. 63°
EXP:
>ABC = 1/2(x + y)