Colin walked a distance of 15 miles in 6 hours. Work out Colin's average speed.
Give your answer in miles per hour.

really your just stupid if you don't know this

step-by-step explanation:

33/100 is what i got

beth buys 10 x shirts and still has more than 100 in her account

0.61 has 2 decimal places, so we put the decimal digits of 0.61, 61 over 1 followed by the number of zeroes equal to the number of decimal places, 

2:     61/1 = 61/100.