An airplane’s altitude changes −378 feet over 7 minutes. The airplane's current altitude is 2,700 feet. Determine the number of minutes required for the plane to reach the ground.

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Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?

What are two numbers that have a sum of 15