exam Maths Puzzle Numerical Ability

s= n/2(f+l)
Please help me, I do not understand.

Read Solution (Total 0)

exam Other Question

Emma Knutt has $10,000 to invest. She would like to earn $980 per year in interest. How much should she invest at 9% if the rest is to be invested at 11%? Help??? If a graph shows that f(x)=x^3 and g(x)=ax^3. What can be concluded about the value of a?

a. a<-1
b. -1<a<0
c. 0<a<1
d. 1<a