1. Look at the ten thousand won bill on the bottom right. Look at the picture on the right of the picture. Whose picture is this? It's the picture of King Se-jong.

2. How many minutes a day do teenagers watch TV? 179 minutes.

a. One hundred and seventy-nine minutes.
b. One hundred seventy-nine minutes.

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Are the explanation, question and answers are all correct?
Which answer is right, a or b? Are both correct?

1 answer

Your first answer is correct.

The correct way of writing 179 minutes is one hundred seventy-nine minutes. Although informally, a. is also correct, it's better to leave out the "and" because it could be confused with a decimal point.