Question

please solve this I will mark you as brainlist​

Answer 1

Answer:

21

Step-by-step explanation:

7/27 = x/81

so, 7*y/27*y = x/81

7*y=x and 27*y = 81

thus, y = 81/27 = 3

substitute the value of y in 7*y = x

7*3 = x

thus, x = 21

☺

Answer 2

Answer:

the answer is 21/81

Step-by-step explanation:

Hello Friend!

We have 7/27=_/81

since we know that 3*3*3*3 is 27*3, which is 81

Therefore we that 7/27 = (3*7)/(27*3) = 21/81

Hope it helps you