Question

6th grade math , helpp:D

Answer 1

a) 30%

b) 45%

Explanation:

a) Laura rolls it '4' 12/40 times, you need to convert that to a percent, so 12/40=6/20= 30% or 30/100

b) Basically the same thing: 18/40 = 45% or 45/100

Hope this helped XD