Question

'a' and 'b' vary directly. If a, = 20, b, = 8 and
a = 10, find b = ?​

Answer 1

Answer:

a:b::a:b

20:8::10:b

So,

b = 10 * 8/ 20

b = 4.

Hope it Helps ^_^

Answer 2

Step-by-step explanation:

is the answer pls thank my answer