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

### Instruction:
 Joy has 30 pencils, and Colleen has 50 pencils. If they bought the pencils at $4 each at the store, how much more money did Colleen pay than Joy for her pencils?


### Response:
 Joy pagaría 30*$4=$<<30*4=120>>120 por sus lápices.
Colleen pagaría 50*$4=$<<50*4=200>>200 por sus lápices.
Colleen pagó $200-$120=$<<200-120=80>>80 más por sus lápices que Joy.