red and grey bricks were used to build a decorative wall. the number of redbricks over the number of grey bricks was 5/2. there were 175 bricks used in all. how many red bricks were used?

Question

anonymous · Answer

could someone explain this to me like step by step

anonymous · Answer

I am in desperate need of help!

lucaz · Answer

@hartnn help?

hartnn · Answer

"the number of redbricks over the number of grey bricks was 5/2"
so let the number of red bricks be 5x and grey bricks be 2x
total = 175
so, 
5x+2x =175
can you find x from here, ??

anonymous · Answer

i got x from that which is 25 but isnt there more to solving to see how many red bricks @hartnn

hartnn · Answer

exactly
x= 25 is correct :)
number of red brick = 5x = ..

anonymous · Answer

then to get total number of red bricks wouldnt you do 25x5 to get total

hartnn · Answer

yes, total red bricks = 5*25 = 125 :)

anonymous · Answer

thanks

hartnn · Answer

welcome ^_^