A student skipped a step when she tried to covert 26 hours into seconds, and she got the following incorrect results

If an athlete can bike 6 miles in 25 minutes, how many miles will he bike in an hour and half if he continues to bike at the same rate?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.