Answer: 0.249
Step-by-step explanation: To write a percent as a decimal, first remember that a percent is a ratio that compares a number to 100.
We can think of 24.9% as the ratio 24.9 to 100 or 24.9 ÷ 100.
Remember that dividing by 100 moves the decimal point two places to the left so 24.9 ÷ 100 will move the decimal point two places to the left which would give us .249 or 0.249.
Therefore, 24.9% can be written as the decimal 0.249.