book Maths Puzzle Numerical Ability

Mrs N and Mrs B drove a total of 140 miles in 3.4 hours. Mrs N drove first at 35 mph, Mrs B drove the remainder of the trip at 45 mph. For what length of time did Mrs B drive?

Read Solution (Total 0)

book Other Question

I have worked this problem out but I am not getting the right answer. it is the point (0,1) has the distance ? from the line defined by {{{y=-2x-1}}} Can someone help me with this problem?

Fir the circumference of a circle. The radius is 12 ft. Use 3.14 for pi and round the answer to one decimal place.
Thank you,
Sher