Stephen buys x pencils and y notebooks for his students. Each pencil costs $0.45 and each notebook costs $1.25. He buys a total of 210 pencils and note books for 142.50$. How many pencils did Stephen buy?
Stephen bought 96 pencils.
Explanation: 142.50 divided by 1.25 equals 114. 210-114= 96. Hope this helps :)

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w