Hey I'm in 6th too, Simplify means to solve the prob
Answer:
The nearest time is 15 years or 180 months
So 5 liters of natural for every 7 synthetic, so 5 / 12 liters are natural oil.
so; 684 × (5/12) = 285 liters of natural oil
Hope this helps!
C. 9^4
when dividing with exponents, i usually just look at the exponents and subract them so i did 12-8 for this problem
