On a winter’s day, the ratio of night to daytime with sunshine to daytime with cloud cover is 7:5:4. Based on this information, determine how long the sun was shining on the recording area during that 24-hour period.

please explain!!

3 answers

There are 7+5+4 = 16 periods of length x hours.

16x = 24, so x = 3/2

The sun was shining for 5 of those periods.

5*3/2 = 7.5 hours of sunshine
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