exam Maths Puzzle Numerical Ability

7R/12=-14

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exam Other Question

Ed and Dave are going to divide a case prize of $14,000 in a ratio of 2 to 5. How much will Dave receive?

I came up with 8,000. I am not sure this is correct. Could you verify this for me? Thanks. Find the area of the triangle ABC.
Angle A=39degrees20', side b=15.7m and side c=9.8m

a.49m^2
b.98m^2
c.100m^2
d.25m^2