If 2x + 3 = 15, what is the value of x?
A train travels 240 km in 3 hours. What is its speed?
A train travels 240 km in 3 hours. What is its speed?
A shop offers a 20% discount on a shirt priced at $40. What is the final price?
A shop offers a 20% discount on a shirt priced at $40. What is the final price?
A car travels 240 km in 3 hours. What is its average speed in km/h for the first 2 hours if it traveled 180 km in that time?
A car travels 240 km in 3 hours. What is its average speed in km/h for the first 2 hours if it traveled 180 km in that time?
The median of a set of numbers is 25. If one number is removed, the median becomes 20. What is the removed number?
The median of a set of numbers is 25. If one number is removed, the median becomes 20. What is the removed number?