A man walks at 4 km/h and reaches the playground in 30 minutes. If he wants to reach the playground
in 20 minutes, what should be his speed?​

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove