Aaron pays $35 per month for cell phone service. On his
plan, he can send and receive 100 text messages for
free. After that, he pays $0.20 for each additional text.
Last month, Aaron sent and received 143 text
messages. Aaron typed in the keystrokes 143-100*0.2
+ 35 into his calculator to determine the total amount of
his bill this month.
Which statements are true? Select three options.
Aaron's keystrokes were correct, and the calculator
will show the correct solution of 43.6.
Aaron should calculate at least the first step without
the use of a calculator.
The calculator will subtract 100 from 143 as the first
step of the calculations using Aaron's keystrokes.
The calculator will multiply 100 by 0.20 as the first step
of the calculations using Aaron's keystrokes.
Aaron's keystrokes were incorrect, and the calculator
will show an incorrect solution of 158.