Kelly buys a sweater for 16.79 and a pair of pants for 28.49. she pays with a 50$ bill. how much change will kelly get back

Use addition to add together how much she spent:

16.79 + 28.49 = 45.28

Now minus the amount she spent with the amount she paid:

50 - 45.28 = 4.72

Kelly will get $4.72 amount of change back.