Question

write alg exp for : three- fourth of a no b subtracted from one - fifth of a no a​

Answer 1

Answer:

(4a-5b)/20

Step-by-step explanation:

let one-fifth of'a' be (a/5).

let one-fourth of 'b' be (b/4).

b/4 is subtracted from a/5.

So, the expression will be (a/5)-(b/4).

which means, (4a/20)-(5b/20)

which is equal to (4a-5b/20

Answer 2

(4a-5b)/20 Hope it will help