exam Maths Puzzle Numerical Ability

Business and Finance. The demand equation for a certain type of printer is given by D= - 200p +30,000
The supply equation is predicted to be
s = -p^2 + 400p - 20,000 Find the e

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exam Other Question

4y-8/y+2 divided by y-2/2y-4

=2y+4/2-2
How many terms are there in each of the following sequences?
a. 51,52,53,54,...,151
c. 10,20,30,40,...,2000
d. 9,13,17,21,25...,353
e. 1,2,4,8,16,32,...,1024