How many minutes are in 0.4 hours?

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Multiple Choice

How many minutes are in 0.4 hours?

Explanation:
Converting hours to minutes is the key idea here: 1 hour equals 60 minutes, so multiply the fractional hour by 60. For 0.4 hours, 0.4 × 60 = 24 minutes. You can also see 0.4 as 2/5, and 60 × 2/5 = 120/5 = 24. So there are 24 minutes in 0.4 hours. The other numbers correspond to different fractions of an hour (for example, 20 minutes is 1/3 hour, 16 minutes is 4/15 hour, and 40 minutes is 2/3 hour), which do not match 0.4 hours.

Converting hours to minutes is the key idea here: 1 hour equals 60 minutes, so multiply the fractional hour by 60. For 0.4 hours, 0.4 × 60 = 24 minutes. You can also see 0.4 as 2/5, and 60 × 2/5 = 120/5 = 24. So there are 24 minutes in 0.4 hours. The other numbers correspond to different fractions of an hour (for example, 20 minutes is 1/3 hour, 16 minutes is 4/15 hour, and 40 minutes is 2/3 hour), which do not match 0.4 hours.

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