Question

Shawn has 4 nickels.How many walnuts can he buy if he spends all 4 nickels?

Answer 1

I think that you need to multiple 4×4=16

To check the answer you need to divide the solution divide by 4 and the answer will be 4

Answer 2

Question: How much are the walnuts?

Semi-Answer: if the walnuts are 5 cents each, you can buy 4.

if they are 10 cents each, you can buy 2.

if they are somehow a penny each, then you can buy 20.

Conclusion: please specify how much the walnuts cost.