Level 2 PSLE The sum of two numbers is 53. One of the numbers is a multiple of 7. The other number is a factor of 8. What is the difference between the 2 numbers?
Number 1 + Number 2 = 53
Number 1 is a factor of 8.
Factors of 8: 1, 2, 4, 8
Number 2 is a multiple of 7.
To be a multiple of 7, Number 2 must have no remainder when divided by 7.
Number 1 |
Number 2 |
Is Number 2 is a multiple of 7? |
Is the remainder 0? |
8 |
53 - 8 = 45 |
45 ÷ 7 = 6 r 3 |
x |
4 |
53 - 4 = 49 |
49 ÷ 7 = 7 r 0 |
✓ |
Difference between the 2 numbers
= 49 - 4
= 45
Answer(s): 45