Question

Round to the nearest hundredth , 19 is what percent of 40
A. 19=nx40; 47.5% B. 40=19xn;2.1% C. 40=19xn;40.4% D.19=nx40;52.3%

Answer 1

you need to know by what percentage you need to multiply 40 to get 19.
So let's say x = the percentage:

40x = 19
x = 40/19
x= 0,475 or 47,5%