C is my answer of ask other sources tho. Ok
5z>15-----subtract 2 on both sides
z>3----divide by 5
therefore, z must equal -10, or -4
The number of pencils is directly proportional to the cost. ... Two values x and y are inversely proportional to each other when their product xy is a constant (always remains the same). This means that whenx increases y will decrease, and vice versa, by an amount such that xyremains the same.
Answer: 18
Step-by-step explanation: What is 75 percent (calculated percentage %) of number 24? Answer: 18.
