Below is an instruction that describes a task. Write a response that appropriately completes the request in French. Please answer in French.

### Instruction:
 Lynne bought 7 books about cats and 2 books about the solar system. She also bought 3 magazines. Each book cost 7$ and each magazine cost $4. How much did Lynne spend in all?


### Response:
 Lynne a acheté un total de 7 + 2 = 9 livres
Les livres ont coûté à Lynne 9 x 7 = 63 $
Pour 3 magazines, Lynne a dépensé 3 x 4 = 12 $
Au total, Lynne a dépensé 63 + 12 = 75 $