Find the number of boys and girls involved in the group - A professor started a project with a group of students, 60% of whom were boys, due to some anavoidable reason, six girls could't show up, so the professor had to make some changes in the group. He adm ...
Applications of Linear Equations : Word Problem - A professor started a project with a group of students, 60% of whom were boys. Due to some unavoidable reason, six girls couldn't turn up, so the professor had to make some changes in the group. He ad ...
Finite Math - 1. Find the present value of an ordinary annuity with annual payments of $1,000, for 6 years, at 10% interest compounded annually.
2. In a marketing survey, consumers are asked to give their firs ...
How many girls - I have 48 students in class. The number of boys I have is represented by x. The number of girls I have in class is 4 less than the number of boys. How many boys do I have in class? How many girls ...