Mrs Yeo baked 433 more muffins than Abi. After Mrs Yeo sold 181 of her muffins, she had 3 times as many muffins as Abi.
- How many muffins did Abi bake?
- How many muffins did Mrs Yeo bake?
|
Abi |
Mrs Yeo |
Before |
1 u |
1 u + 433 |
Change |
|
- 181 |
After |
1 u |
1 u + 252 |
(a)
After
Number of muffins that Abi had = 1 u
Number of muffins that Mrs Yeo had = 3 x 1 u = 3 u
Before
Number of muffins that Abi baked = 1 u
Number of muffins that Mrs Yeo baked = 1 u + 433
3 u = 1 u + 433 - 181
3 u - 1 u = 252
2 u = 252
1 u = 252 ÷ 2 = 126
Number of muffins that Abi baked
= 1 u
= 126
(b)
Number of muffins that Mrs Yeo baked
= 1 u + 433
= 126 + 433
= 559
Answer(s): (a) 126; (b) 559