Level 3 Ryan bought fewer than 15 packets of pencils. Each packet contained 20 pencils. He gave his teachers one packet of pencils each before giving an equal number of pencils to his 11 classmates and had 8 pencils left. He had less than 10 teachers.
How many pencils did each of his classmates receive?
What is the maximum number of teachers he could give a packet each to?
Level 3
Mr Lim has three pieces of rope of length 80 cm, 140 cm and 180 cm. He wishes to cut the three pieces of rope into smaller pieces of equal length with no remainder.
What is the greatest possible length of each of the smaller pieces of rope?
How many of the smaller pieces of rope of equal length can he get?