exam Maths Puzzle Numerical Ability

Please help? I think the answer to my problem is 5.

(2.5)(20)

My choices are:
5
-5
50
-50

Read Solution (Total 0)

exam Other Question

Solve the problem. Use 3.14 for π.
A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius 11 ft. of How far does the skater go one time around the figure eight? Solve the system by graphing.
3x-2y=4
-6x+4y=7