Sammy bought 3 pounds of oranges that cost $4.59. Determine the cost of 1 pound.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Sum of the interior angles of a pentagon

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)