The entrance to a mine is 2,457 feet above sea level. sea level is at 0.the bottom of the mine is 5,642 feet below the entrance. what is the elevation if the mine?

The answer is -3,185 ft

The skating rink rented 872 pairs of skates during april and may.why? : if the skating rink rented three times the pair of skates in april during may, they rented 654 skates. 218 x 3 = 654then, if they want to know how many they rented during both april and may, then you just add 654 (may) and 218 (april) to give you 872 pairs of skates for both months.654 + 218 = 872hope this !