Asked by BLANK
Brass is an alloy formed from copper and zinc in the ratio 3:2, based on weight. If 120g of copper is needed for a certain piece of brass, how much zinc will be needed?
Answers
Answered by
Ms. Sue
3/2 = 120/x
Cross multiply and solve for x.
Cross multiply and solve for x.
Answered by
Lucy
Nfckg2495;
Answered by
never mind
i don't have an answer i just have question,
All the members of a construction crew work at the same pace. Four of them working together are able to pour concrete foundations in 32 hours. How many hours would this job take if the number of workers decreased 2 times.
i am not sure how to solve this but i think that one off you will.
All the members of a construction crew work at the same pace. Four of them working together are able to pour concrete foundations in 32 hours. How many hours would this job take if the number of workers decreased 2 times.
i am not sure how to solve this but i think that one off you will.
Answered by
Jim Thorpe
Ms. Sue is wrong. The ansewer is x=4
Answered by
Vince
80
Answered by
Anonymous
it is 80g
Answered by
Kawaii J
The correct answer is 80g.
Answered by
Ms. Sue
jeez a weeza im sorry jim thorpe you don't gotta be so rude
Answered by
Hello
Ms. Sue is actually right.
Answered by
AimoPotato
80 grams
Answered by
urmumisfat
it's 80 grams you fat loads of pop
Answered by
UrMum
80g is the answer.
Ratio: 3 : 2
Logic: 120 : 80
Ratio: 3 : 2
Logic: 120 : 80
Answered by
Some Kid
It is 80 grams.
3x=120
x=40
2∙40= 80 grams
3x=120
x=40
2∙40= 80 grams
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