A set of pens sells for $3.75 and costs $1.50 to make. Thirty percent of the profit (the difference between the purchase price and the amount it costs to make) from each set of pencils goes to a school. If 600 sets are sold, what is the amount of money that will go to the school?

Write the rational number in lowest terms 99/-15

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: