Question

In a: b=4:9, if 4 is added to
both the numbers, the two
newsc satio becomes 21:46. What is the difference between a and b?​

Answer 1

Step-by-step explanation:

may be 25 ,but pls like it

Answer 2

Answer:-100

Step-by-step explanation:

a/b=4/9

cross multiplication

9a-4b=0........…....................(1)

a+4/b+4=21/46

crossmultiplication

46(a+4)=21(b+4)

46a+184=21b+84

46a-21b=-100..............(2)

Solve

then u will get,

a=80

b=180

Now,

a-b=-100

HOPE IT HELPS ☺️☺️