Jordan earned $200 this month delivering newspapers. His mom said he must put 20% into his savings account. He wants to buy headphones that cost $99.95 and two shirts that cost $17.99 each. He also must pay 7% sales tax on his purchases. Jordan said, “No problem. I will put 20% into savings, buy the things I want, and still have about $10 left.” Use estimation to determine if Jordan’s calculation is reasonable. Show your work.