Question

what is 20% of 90km solve this problem by step step​

Answer 1

Step-by-step explanation:

20% of 90km

20%

____ × 90km

100%

Cancel 20 and 100 by cancelling one 0 in each of them which gives us

2/10 =1/5

Now,

1/5×90km

Cancel 5 and 90 by (1×5=5 ,5×18=90)

=1/1×18

=18