Ask
your own question, for FREE!
Mathematics
4 Online
OpenStudy (anonymous):
Two metals X and Y are to be used for making two different alloys. If the ratio by weight of X : Y in the first alloy is 6 : 5 and that in the second is 7 : 13, how many kg of X metal must be melted along with 11 kg of the first alloy and 20 kg of the second so as to produce a new alloy containing 40% of metal Y?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
@dumbcow
OpenStudy (anonymous):
6x+5y=11 7x+13y=20
OpenStudy (anonymous):
x=1 y=1
OpenStudy (anonymous):
x=13 y=18
OpenStudy (anonymous):
18*40/100=36/5
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
|dw:1407050684952:dw|
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
playtsec:
how do I sleep without getting a sore throat? I always wake up with a sore throat but it goes away later in the day.
75:
how do you react when you deal with someone who plays the victim in every single situation, and do you find this behavior childish or annoying.
JohnnyLFowler0812:
Do you guys ever think that the homeless are going to be healthy and freed from h
JohnnyLFowler0812:
Do you guys ever think that Hikaru Nikanura will ever be take Magnus Calrsen's 1st place title in the wolrdin the United States amd Norway? Right now Hikaru
DoltonCarlee:
what are y'all's options on S A T essays because honestly their not that bad
thereneelg:
Can someone give me a summary of article 231, The war guilt clause?? I need to explain what it is, but I can't find any shortened version of what it is and
luisaam2:
What should you do when the person you want to talk to the most is the one making
playtsec:
how do I sleep without getting a sore throat? I always wake up with a sore throat but it goes away later in the day.
55 minutes ago
8 Replies
2 Medals
75:
how do you react when you deal with someone who plays the victim in every single situation, and do you find this behavior childish or annoying.
1 hour ago
2 Replies
0 Medals
JohnnyLFowler0812:
Do you guys ever think that the homeless are going to be healthy and freed from h
45 minutes ago
6 Replies
1 Medal
JohnnyLFowler0812:
Do you guys ever think that Hikaru Nikanura will ever be take Magnus Calrsen's 1st place title in the wolrdin the United States amd Norway? Right now Hikaru
3 hours ago
2 Replies
0 Medals
DoltonCarlee:
what are y'all's options on S A T essays because honestly their not that bad
3 hours ago
7 Replies
2 Medals
thereneelg:
Can someone give me a summary of article 231, The war guilt clause?? I need to explain what it is, but I can't find any shortened version of what it is and
3 days ago
7 Replies
1 Medal
luisaam2:
What should you do when the person you want to talk to the most is the one making
2 days ago
16 Replies
1 Medal