Level 2 PSLE The sum of two numbers is 67. One of the numbers is a multiple of 9. The other number is a factor of 8. What is the difference between the 2 numbers?
Number 1 + Number 2 = 67
Number 1 is a factor of 8.
Factors of 8: 1, 2, 4, 8
Number 2 is a multiple of 9.
To be a multiple of 9, Number 2 must have no remainder when divided by 9.
Number 1 |
Number 2 |
Is Number 2 is a multiple of 9? |
Is the remainder 0? |
8 |
67 - 8 = 59 |
59 ÷ 9 = 6 r 5 |
x |
4 |
67 - 4 = 63 |
63 ÷ 9 = 7 r 0 |
✓ |
Difference between the 2 numbers
= 63 - 4
= 59
Answer(s): 59