GCSE Secondary Maths Age 13-17 - Number: Lowest Common Multiple - Explained

The video tutorial explains a problem where Ali plans a party and needs to buy cakes and sausage rolls. Each item is sold in specific quantities and prices. Ali wants to buy more than 60 of each and the same number of both. The solution involves finding the lowest common multiple of the quantities and calculating the total cost. The tutorial also discusses why the problem is worth five marks, emphasizing the importance of understanding the requirement for equal quantities.

What is the cost of one box of cakes?

• 2 pound 00

• 3 pound 00

• 1 pound 20

• 2 pound 50

How many cakes are there in one box?

• 12

• 8

• 10

• 15

What is the least number of cakes Ali needs to buy?

• 80

• 72

• 60

• 64

How many packs of sausage rolls does Ali need to buy?

• 6

• 8

• 10

• 9

What is the total cost Ali will incur for buying the cakes and sausage rolls?

• 15.80 pounds

• 30.00 pounds

• 25.80 pounds

• 20.00 pounds