👆🏼Simplify

👉🏼The probability of a bus being late on any day is 0.2. James gets the bus on Monday and on Tuesday.

What is the probability that both buses are on time?

👈🏼x:y = 5:3 and y:z = 7:10. Find x:z

👇🏼Solve the simultaneous equations:

🖐🏼Work out