A recipe for potting soil that makes enough to fill 3 bags calls for 5 1/2 lb of compost. David wants to modify the recipe so that it fills 5 bags.

How many more pounds of compost will David need for the modified recipe than the original recipe calls for?

A 3 2/3
B 6 3/5
C 9 1/6
D 27 1/2

Question

A recipe for potting soil that makes enough to fill 3 bags calls for 5 1/2   lb of compost. David wants to modify the recipe so that it fills 5 bags.
 
How many more pounds of compost will David need for the modified recipe than the original recipe calls for? 

A 3 2/3
B 6 3/5
C 9 1/6
D 27 1/2

popitree · Answer

C

anonymous · Answer

Could you explain how?

popitree · Answer

for 3 bags->11/2
for 1 bag >(11/2)/3 = 11/6
for 5 bag>5*11/6>55/6>9 1/6

anonymous · Answer

I so get it now thank you so much @popitree