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  3. 1. as dry air moves upward, it expands and, in so

1. As dry air moves upward, it expands and, in so doing, cools at a rate...

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Advance Math

1. As dry air moves upward, it expands and, in so doing, coolsat a rate of about 1oC for each 100-meter rise, up to about 12 km.If the ground temperature is 10oC on the ground, what range oftemperatures can be expected if an airplane takes off and reaches amaximum height of 4 km? (1 km = 1000 meters

2. What amount of a 15% HCL acid solution must be mixed with a20% HCL acid solution to obtain 50 milliliters of 18% solution?

3. A telephone company offers two long-distance plans:Plan A:$25 per month and $.05 per minutePlan B: $5 per month and $.12 perminuteFor how many minutes of long-distance calls would Plan B befinancially advantageous?

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