1) 15% of x = 45x = 45 / 0.15x = 300
2) 80% of y = 240y = 240 / 0.80y = 300
3) 33% of z = 660z = 660 / 0.33z = 2000
4) 38% of w = 19w = 19 / 0.38w = 50
1) 15% of x = 45
x = 45 / 0.15
x = 300
2) 80% of y = 240
y = 240 / 0.80
y = 300
3) 33% of z = 660
z = 660 / 0.33
z = 2000
4) 38% of w = 19
w = 19 / 0.38
w = 50