2 pens cost £2.46
5 folders cost £5.70
Tom buys 20 pens and 20 folders
How much change does he get from a £50 note?

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?

Two lines parallel to the same plane are parallel to eachother

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.