After using
16 of her curry powder, Mrs Neo bought another 28 kg of curry powder. As a result, Mrs Neo now has
76 as much curry powder as what she had at first. How many kilograms of curry powder did Mrs Neo have at first?
| |
Curry Powder |
Total |
| Before |
6 u |
6 u |
| Change 1 |
- 1 u |
|
| After 1 |
5 u |
|
| Change 2 |
+ 28 |
|
| After 2 |
5 u + 28 |
7 u |
Fraction of curry powder left after using
16 of it
= 1 -
16 =
56 Amount of curry powder left after using some = 5 u
Amount of curry powder after buying 28 kg of curry powder = 5 u + 28
5 u + 28 = 7 u
7 u - 5 u = 28
2 u = 28
1 u = 28 ÷ 2 = 14
Amount of curry powder that Mrs Neo had at first
= 6 u
= 6 x 14
= 84 kg
Answer(s): 84 kg
