Express each ratio as a fraction in simplest form.
12 : 36

Question

Express each ratio as a fraction in simplest form. 
12 : 36

anonymous · Answer

answers could be 
1/3
2/6
2/3
3/4

hartnn · Answer

does 12 goes into 36 ?
how many times ?

anonymous · Answer

3 times

hartnn · Answer

yes!
so, 12:36 = 12/36 = 12/ (3* 12)
what gets cancelled ? what remains ?

anonymous · Answer

im not sure could you explain a bit more?

hartnn · Answer

yes, 
we wrote 36 as 12*3 
right ?
so, numerator and denominator both have  which number ?

anonymous · Answer

3! right?

hartnn · Answer

the common number is 12 
which gets cancelled 
and what remains is 1/3 
got this ?

anonymous · Answer

ok i think i got it thanks so much i have one more problem for you if you have the time ok ?

hartnn · Answer

sure :)

anonymous · Answer

4/7 = 3+x/21

hartnn · Answer

3+x/21 or (3+x)/21 ??

anonymous · Answer

x+3/21

anonymous · Answer

answers could be
x = 9
       x = 15
x=33 and 3/4
x=91

hartnn · Answer

did you try ?

anonymous · Answer

i am now what are your thoughts on this one?

anonymous · Answer

i think its x =9

anonymous · Answer

that would = the same as 4/7 as a decimal do you concur?

hartnn · Answer

if it is 4/7 = (3+x)/21

then x =9

hartnn · Answer

and i think its 4/7 = (3+x)/21
only

anonymous · Answer

ok what if it does not have the ( )

hartnn · Answer

then answer is complicated negative value which is not in choices..

hartnn · Answer

4/7 -3 = x/21
(4-21)*3 = x 
....not in choices...

anonymous · Answer

ok x=9 then

hartnn · Answer

yes

anonymous · Answer

Ruiz invests $550 at a simple interest rate of 4%. How much interest will he earn after 5 years? 
will you help with this last one too?

anonymous · Answer

answers could be
$11
       $110
       $1100
       $11,000