At 8:00 the temperature was -4 ° C outside and +22 ° C indoor.?
Two hours later, the temperature outside has risen by seven degrees and inside it was down by three degrees. How big was the difference between outdoor temperature and indoor temperature?
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Verified answer
Outdoor temperature was -4 + 7 = 3 degrees and an indoor 22-3 = 19 degrees, the difference is 16 degrees