Suppose the pool is 30 feet long and 20 feet wide. how many square tiles does the tiler need for the border?

500 tiles because since were trying to find the area we have to look at the formula. The formula for a rectangle or square is base x hight. So,we would multiply 30x20 which would give you 500.

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 !