a= 1+2b, b=1-6, c=2/3d. Hope this helps, I used D as a number in C you don't have to use d.
Answer:
0.36 = 36/100 = 9/25
so the simplest form is 9/25
He needs four packs.
Step-by-step explanation:
6*4=24 there is 23 so he will need 4 packs in total.