Tom buys a shirt for $19.00 plus 9% sales tax. HIs cousin buys a shirt for $25.00 plus 3% sales tax.

1. What is the total cost, including tax, for each person? Show your work.

2. Who spent more on tax?

1. For Tom:

Cost of shirt: $19.00
Sales tax: 9% of $19.00 = $19.00 * 0.09 = $1.71
Total cost including tax: $19.00 + $1.71 = $20.71

For Tom's cousin:
Cost of shirt: $25.00
Sales tax: 3% of $25.00 = $25.00 * 0.03 = $0.75
Total cost including tax: $25.00 + $0.75 = $25.75

2. Tom spent $1.71 on tax, while his cousin spent $0.75 on tax. Therefore, Tom spent more on tax.