You would be able to make 90 more envelopes
Answer:
For D I believe it would be 6
Step-by-step explanation:
I believe 6 because is you do 108÷18 you get 6 and then it would be 6/108 = 7/18 which is true.
Might not be correct and I don't know the others sorry!
Step-by-step explanation:
25/4*14*3= 21*25/4= 262.5 ft^3