Step-by-step explanation:
(a/b*b/c=1/2*3/4)(a/c=3/8)
The answer is D.
Because you want to find the rewrite way of distributive right? 2(9+3)
Therefore it’s (2x9) + (2x3)
If it decreases by 80٪, then only 20٪ remains.
15×20٪=15×20/100=15×0.2=3
Answer: 3