n% of 600 is 120
78 is n% of 780
100/4+15-2
if x=1/8 and y=8/6 then x^2+y^3+Z-8+x=0 then find Z
5(15-9+3)
125% of 275
89% of 905
find y prime x²y + y² = 4 + 2x
6% of 350
5^x x 51625
