Maths

Dear all,













Here are the solutions to the last two questions we have not discussed in class.













6)




1 unit = 4
8 units = 8 x 4
= 32

32 + 20 = 52.

Lily is 52 years old now.








7) 1/2 - 1/4 = 1/4

20 x 1/4 = 5

The missing number is 5.