Question

My Pals Are Here! Pupil's Book Math 6A 3rd Edition Page 29 No. 8 (Look Back)

by: Dr Fong Ho Kheong - Gan Kee Soon - Chelvi Ramakrishnan

Question:
8 (Look Back). All the chairs in the school hall can be arranged in stacks of 7 or stacks of 9. There are fewer than 100 chairs in the hall. How many chairs are there?​


Please write the way