Question

if l:m=3into1/2:3into3/4and m:n=1into1/3:2into1/5, then find l:n and l:m:n​

Answer 1

Step-by-step explanation:

l:m

3*1/2:3*3/4

3/2:9/4

cross multiply it

12:18

2:3

m:n

1*1/3:2*1/5

1/3:2/5

5:6

l:m:n

2:3:_(here we will fill 3)

_:5:6(here we will fill 5)

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2*5:3*5:3*6

10:15:18

l:n=10:18=5:9

l:m:n=10:15:18