Question

If 4/9 of
a set of story books cost Rs 630, what will the rest of the set cost​

Answer 1

Step-by-step explanation:

for 4/9 set of story books Rs630

Then for other book will be equal to

9/9-4/9 = 5/9

CROSS MULTIPLY IT

4/9 = Rs630

5/9 = Rs ?

5/9×630/4/9