PLIX

Mattia's grandmother showed her the total bill for her cell phone and the monthly charge to use it. The cell phone costs $200. The monthly charge is $80. The total bill is $440. Drag the phone and enough $80 over to the total bill and subtract until you get $0. The number of $80 is the number of months Mattia used her phone.

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Mattia's grandmother showed her the total bill for her cell phone and the monthly charge to use it. The cell phone costs $200. The monthly charge is $80. The total bill is $440. Drag the phone and enough $80 over to the total bill and subtract until you get $0. The number of $80 is the number of months Mattia used her phone.