After using
511 of her chilli powder, Mrs Kong bought another 24 kg of chilli powder. As a result, Mrs Kong now has
1211 as much chilli powder as what she had at first. How many kilograms of chilli powder did Mrs Kong have at first?
|
Chilli Powder |
Total |
Before |
11 u |
11 u |
Change 1 |
- 1 u |
|
After 1 |
6 u |
|
Change 2 |
+ 24 |
|
After 2 |
6 u + 24 |
12 u |
Fraction of chilli powder left after using
511 of it
= 1 -
511 =
611 Amount of chilli powder left after using some = 6 u
Amount of chilli powder after buying 24 kg of chilli powder = 6 u + 24
6 u + 24 = 12 u
12 u - 6 u = 24
6 u = 24
1 u = 24 ÷ 6 = 4
Amount of chilli powder that Mrs Kong had at first
= 11 u
= 11 x 4
= 44 kg
Answer(s): 44 kg