Question

10. A takes 3 h more than B in walking 30 km. If A doubles his speed, he will take 2 h less than B.
Assuming the speed of A to be x km/h, obtain an equation. Also, find the speeds of A and B.
11. A and B together can complete a work in 8 days. A can do it alone in 12 days. If B alone can do the
work in x days, obtain an equation in x. Also, find the number of days in which B alone can do the
work​

Answer 1

Answer:

66s66s6s6s6s7s

Step-by-step explanation:

6ss77ss7usuduudududududueu