Final answer:
30% of a monthly salary of $2,400 for rent equals $720, which is found by converting the percentage to a decimal and multiplying it by the salary.
Correct option is B.
Step-by-step explanation:
To calculate how much money is budgeted for rent from a monthly salary of $2,400 when 30% is allocated for rent, you would use the following calculation:
Convert the percentage to a decimal: 30% becomes 0.30.
Multiply the decimal by the total salary: 0.30 x $2,400 = $720.
So, the amount budgeted for rent is $720.
Correct option is B.