Ask
your own question, for FREE!
Mathematics
9 Online
OpenStudy (i_ask_alot):
I need help with 7th Grade Math I Medal and Fan the first correct answer!!! Please Help.
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (i_ask_alot):
The ratio of girls to boys who participated in the quiz bowl was 7:5. There were 42 girls in the competition. How many boys participated?
OpenStudy (fortytherapper):
Sort everything out. You want to find the number of boys, so let x = boys \[\frac{ Girls }{ Boys} = \frac{ 7 }{ 5 } = \frac{ 42 }{ x}\]
OpenStudy (i_ask_alot):
x= 30?
jhonyy9 (jhonyy9):
how you have got it ?
jhonyy9 (jhonyy9):
cross multiplie and divide both sides by 7 - yes ?
Still Need Help?
Join the QuestionCove community and study together with friends!
jhonyy9 (jhonyy9):
7x=5*42 x=5*6 x=30
OpenStudy (fortytherapper):
^ Exactly as he said
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
Timmy23:
The miles stretch out like empty track, A heavy weight I cannot pack. You mean the world, you mean the sun, Yet here we are, the hard work doneu2014 Or tryi
EdwinJsHispanic:
Sad how it was so easy to make you say yes. Also sad how I really thought you would say no but you said the one word I'd never thought you'd say.
thereneelg:
Okay....I'm doing a group solo for choir. Auditions are Tuesday (?), Any tips on
Arizona:
my Rolling stone airpods won't connect and I got them about a year ago is there t
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
Timmy23:
The miles stretch out like empty track, A heavy weight I cannot pack. You mean the world, you mean the sun, Yet here we are, the hard work doneu2014 Or tryi
3 hours ago
3 Replies
0 Medals
EdwinJsHispanic:
Sad how it was so easy to make you say yes. Also sad how I really thought you would say no but you said the one word I'd never thought you'd say.
12 hours ago
1 Reply
0 Medals
thereneelg:
Okay....I'm doing a group solo for choir. Auditions are Tuesday (?), Any tips on
9 hours ago
1 Reply
0 Medals
Arizona:
my Rolling stone airpods won't connect and I got them about a year ago is there t
1 day ago
3 Replies
0 Medals
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
2 days ago
1 Reply
0 Medals
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
1 day ago
3 Replies
0 Medals
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
3 days ago
5 Replies
0 Medals
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
5 days ago
3 Replies
1 Medal