Who is all 16 years old

52(4p+1) ≤ 4 3+12p can someone solve it for me with explanation

The measure of the angles supplement is 30 more than four times that of its complement. find the measure of the angle described

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?