Answer:
13.1868131868
Step-by-step explanation:
24 divided by 90 equals 0.26373626373, which then multiplied by 50, equals 13.1868131868.
Number of females = f
Total number of people in audience = n
0.4n = f
f + (f+ 100) = n
2f + 100 = n
Find n:
f = 0.4n --> Replace f with 0.4n in the equation 2f +100 = n
2(0.4n) + 100 = n --> Multiply out the brackets
0.8n + 100 = n --> Subtract 0.8n from both sides
100 = 0.2n --> To get n, multiply both sides by 5
n = 500
There were 500 people in the audience.
Because 45 is half of 90, 5x=90. 5 times 18 is 90 so x is 18.
Answer:
D
Step-by-step explanation:
42 minus 31 is 11
so 11/42 = /100