You first set up a proportion
16/100 = x/90
then cross multiply 16*90
and 100*x
1440 = 100x
divide each side by 100
1440/100 = 100x/100
100 cancels out on the right side
the answer is
14.4=x
Answer:
a
Step-by-step explanation:
It can't be factorized it has no common factors no factor of 4 will go easily into 9
