1.

If ` a : b = 4 : 5 ," find "(5a-b)/(10a+3b)`.

Answer» Given, ` a/b = 4/5`
` rArr a = (4b)/5`
`(5a-b)/((10a+3b))=(5((4b)/5) - b)/(10((4b)/5)+3b)=(3b)/(11b) = 3/11`.


Discussion

No Comment Found