You multiply $15 by 23 which is 345. Then you multiply 345 by 52 for there is 52 in a year. The answer $17940.
Answer:
The cost of her old laptop would be $52.
Step-by-step explanation:

4 that’s the answer I think
Answer: k=225/2
Decimal form: k= 112.5
Mixed number form: k=112 1/2