1) 45 1/2 just multiply it together
2) 1/6 divide 1/2 by 3
3)1 1/4 subtract 3 3/4 by 2 1/2
4) 1 5/6 + 2 2/3 is 4 1/2
About 6.7% are senior boys
48 divisors: 1, 2; 4; 5; 6; 8; 12; 16; 24; 48;
Let, the number = x
Then, x * 60% = 54
x * 0.60 = 54
x = 54 / 0.60
x = 90
In short, Your Answer would be: 90
Hope this helps!
In total they're 9 people and 3 boys which would mean it would be 3/9
