Answer:
The correct answer is "50%".
Step-by-step explanation:
The given values are:
Gravel,
= 
Water,
= 
Cement,
= 1
Sand,
= 2
Now,
The total mixture will be:
= 
By substituting the values, we get
= 
= 
= 
hence,
The percentage of sand will be:
= 
= 
=
%
2/5*1/2=2/10
his neighbor will get 2/10quart or 0.2quarts of jelly
Answer:
About 36.5 pieces
Step-by-step explanation:
divide 2850 by 78 and round to the nearest tenth. hope this helped