Posted by jazz on .
in a bag of coloured cubes, the ratio of red cubes to total number of cubes is 5:7. If there are 105 cubes in the bag, how many cubes are red? i don't get this :

math helpp! : 
Writeacher,
You can set up a ratio:
5/7 = x/105
Cross multiply and simplify if needed. 
math helpp! : 
jazz,
alright thx!! :)

math helpp! : 
Writeacher,
You're welcome!
=) 
math helpp! : 
jazz,
:)))))))))))
i have another question.
im sorry u have to suffer.:)this is confusing:S
Which country has the greater population density? Wirte its population density. The United kingdom with about 60 million people and an area of 244 800km2 or china with about 1806 million people and an area of 9 590 000 km2. 
math helpp! : 
jazz,
does anyone know the answer for this?

math helpp! : 
jazz,
i mean help me with this?? :P

math helpp! : 
victoria,
whaaa you want me to do your hw now pick up ur lazy ass and do it urself _