SOLUTION: Bully has a pail that contains 40 nails and weighs 175 grams. The same pail with 20 nails weighs 95 grams. How much does Bully's pail weigh with no nails in it? How much does each

Question 940752: Bully has a pail that contains 40 nails and weighs 175 grams. The same pail with 20 nails weighs 95 grams. How much does Bully's pail weigh with no nails in it? How much does each nail weigh?
Found 2 solutions by lwsshak3, macston:
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Bully has a pail that contains 40 nails and weighs 175 grams. The same pail with 20 nails weighs 95 grams. How much does Bully's pail weigh with no nails in it? How much does each nail weigh?
***
let x=weight of each nail
let y=weight of pail
..
40x+y=175
20x+y=95
subtract:
20x=80
x=4
..
40x+y=175
40x+2y=190
subtract:
y=15
weight of each nail=4 grams
weight of pail=15 grams
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
Pail with 40=P49=175g; Pail with 20=P20=95g
P40-P20=20 nails=N20=175g-95g=80 g
P20-N20=Pail DISABLED_event_only= 95g-80g=15g ANSWER 1 Weight of Pail DISABLED_event_only= 15 grams
N1=weight of one nail=N20/20=80g/20=4g ANSWER 2 Weight of 1 nail=4g
CHECK:
Pail and 40 nails weighs 175g
Pail weight + 40(weight of 1 nail)= 175 g
15 g+40(4g)=175g
15g+160g=175g
175g=175g
RELATED QUESTIONS
Bully has a pail that contains 40 nails and weighs 175 grams. The same pail with 20 nails (answered by richwmiller)
A box containing 40 nails weighs 175 grams. The same box with 20 nails weighs 95 grams.... (answered by Theo,jsmallt9)
SMALL NAILS COST 1.89 PER KILOGRAM I NEED 500 GRAMS OF SMALL NAILS HOW MUCH WILL I PAY... (answered by Alan3354)
Suppose you have a three quart pail and an eight quart pail with no marking on either... (answered by Prithwis)
If I buy a square lot that is 110 yards on all four sides, what is the size in acres? (answered by stanbon)
the manufacturer of a bag of nails claims that there is a 75% chance that the bag... (answered by Boreal)
a gold coin weighs 20 grams. if the coins contain gold, copper, and tin in the ratio... (answered by solver91311)
Marina has a gold bracelet that weighs 90 grams. 45% of the bracelet is pure gold. How... (answered by ikdeep)
The weight of a plastic pail is 20% of the weight when it is filled with water.After a... (answered by ikleyn)