Michael bought some pastries. He bought some croissants with $7.10 more than half his money. He then bought some scones with $3.80 less than half of his remaining money. He then had $10.90 left. How much did he pay for the croissants?
| Croissants |
Remaining amount |
| 1 u + $7.10 |
1 u - $7.10 |
| |
Scones |
Left |
| |
1 p - $3.80 |
1 p + $3.80 |
| |
|
$10.90 |
Working backwards.
Amount that Michael had left = 1 p + 3.80
1 p + 3.80 = 10.90
1 p = 10.90 - 3.80 = 7.10
Remaining amount after he bought some croissants
= 2 p
= 2 x 7.10
= $14.20
Remaining amount after he bought some croissants = 1 u - 7.10
1 u - 7.10 = 14.20
1 u = 14.20 + 7.10
1 u = 21.30
Amount that Michael spent on some croissants
= 1 u + 7.10
= 21.30 + 7.10
= $28.40
Answer(s): $28.40
