exam Maths Puzzle Numerical Ability

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?

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exam Other Question

53.) Business and finance. The inventor of a new product believes that the cost of producing the product is given by the function
C(x) = 1.75x + 7000
How much does it cost to pro
Please help? I think the answer to my problem is 5.

(2.5)(20)

My choices are:
5
-5
50
-50