Suppose there is a 1.4f drop in temperature for every thousand feet that an airplane climbs into the sky. If the temperature on the ground is 54.2f , what will be the temperature when the plane reaches an altitude of 7,000 feet ?

38+105= 143, 39+104=143, and you will find then adding the numbers on opposite sides, moving inwards yields the answer 138 every time. because of this, you’re going to multiply 138 times the number of pairs, which is 34. therefore, 34*138= 4692(i’m sorry if it’s the wrong numbers, but it’s the right concept)