Answer:
The answer is
147
Explanation:
Let the total number of rugs be x
To find the total number of rugs we must first find the total parts which is
3 + 4 = 7
4/7 of the total rugs are 84 Oriental rugs
Which is written as

Multiply through by 7

Simplify

Divide both sides by 4

The total number of rugs is 147
Hope this helps you