Verified Answer :

hankaF

We can use a rule of three.

Be the number that we can find x,
then:
if 60% of the number is 42, the 100% will be x:


60% → 42

100% → x

x=100%(42)/60%


Simplifying:
x=10(42/6)→x=10(7)→x=70


Answer: 42 is 60% of 70