book Maths Puzzle Numerical Ability

I can't do conversions

Read Solution (Total 0)

book Other Question

I had this problem:
Turn 48% to a fraction
How do I do that?
I am helping in after school tutoring and I want to be sure I am correct-

when you do an equation such as : 5z squared + 9z squared = 504
what do you do with the exponents?