Question

.
I
If a/3 = b/4 = c/7, then find the value of (a + b + c) / c.
a) 1
b)
2
CB
d) None of the above​

Answer 1

Answer:

please mark my answer brilliant

Answer 2

Answer:

To find a : b : c, b is made same in both the ratios. L.C.M of 4 and 5 is 20

a:b=

4

3

=

4×5

3×5

=

20

15

b:c=

9

5

=

9×4

5×4

=

36

20

∴ a:b:c=15:20:36