[Solved] Kenny did 25 pushups. His older brother, Sal, did twice as many pushups as Kenny. Then, their oldest sister, Natalie, did 10 more pushups than Sal. How many pushups did the three children do altogether?

In the Fall semester of 2001, there were 3,645 female students and 5009 male students enrolled at BYU-Idaho. What percentage of students during that semester were female? % (Round the final percentage to one decimal place) Is this number a parameter or a statistic? In a random sample of 300 students from the 2001 fall…

Sean pays £10 for 24 chocolate bars. He sells all 24 chocolate bars for 50p each. Work out Sean’s percentage profit. Step 1 Concept used The concept used in this question is profit, the difference between money made from selling something and the amount spent on it. In this case, Sean made a profit of…

Step 1: Identifying the Initial and Final Prices The initial step in this problem is to identify the starting and ending prices of the toy. According to the question, the toy initially costs £50, and the price is increased to £65. Step 2: Understanding Percentage Increase The concept of “percentage increase” refers to how much…

Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuri will be twice as old as Sonu. How old are Nuri and Sonu? Solution: Let the present age of Nuri be = x years Let the present age of Sonu be = y years Five years ago, the age of Nuri…