Math Help! Please! ASAP

[desiredtaken]

Britney is buying a shirt and a hat at the mall. The shirt costs $30.86, and the hat costs $19.87. If Britney gives the sales clerk $100.00, how much change should she receive? (Ignore sales tax.)

 

[Lull]

Britney is buying a shirt and a hat at the mall. The shirt costs $30.86, and the hat costs $19.87. If Britney gives the sales clerk $100.00, how much change should she receive? (Ignore sales tax.)

add cost of shirt and hat and subtract from 100