First off when multiplying fractions you always multiply straight across. so the answer would be -5/12.
A (1 1/4, -3/4)
answer is B. second choice
Divide the speed value by 1.609,
1kilometer per hr=0.621mph
80kph=49.7097Mph
First one is 7.73 (23.19/3)
Second one is 14.04 ((19.71/7.3) x 5.2)
