Question if the sum of a number and three is tripled, the result is two less then twice the number. find the number. x

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class