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One day, the temperature in Philadelphia was at 21 degrees and the temperature in Detroit was -7 degrees. How much lower was the temperature in Detroit than in Philadelphia

One day, the temperature in Philadelphia was at 21 degrees and the temperature in Detroit was -7 degrees. How much lower was the temperature in Detroit than in Philadelphia
asked 124k views
3 votes
one day, the temperature in Philadelphia was at 21 degrees and the temperature in Detroit was -7 degrees. How much lower was the temperature in Detroit than in Philadelphia

asked
User Pradumna Patil
by
8.3k points

1 Answer

7 votes

Answer:

21-(-7)=28

Explanation:

1. Do same, change, opposite.

21-(-7)

21+7

=28

answered
User John Weisz
by
8.3k points
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