Level 2 PSLE The sum of two numbers is 69. One of the numbers is a multiple of 8. The other number is a factor of 10. What is the difference between the 2 numbers?
Number 1 + Number 2 = 69
Number 1 is a factor of 10.
Factors of 10: 1, 2, 5, 10
Number 2 is a multiple of 8.
To be a multiple of 8, Number 2 must have no remainder when divided by 8.
Number 1 |
Number 2 |
Is Number 2 is a multiple of 8? |
Is the remainder 0? |
10 |
69 - 10 = 59 |
59 ÷ 8 = 7 r 3 |
x |
5 |
69 - 5 = 64 |
64 ÷ 8 = 8 r 0 |
✓ |
Difference between the 2 numbers
= 64 - 5
= 59
Answer(s): 59