exam Maths Puzzle Numerical Ability

An investment of $5000 is made at an annual simple interest rate of 5.3%. How much additional money must be invested at an annual simple interest rate of 8.5% so that the total interest earned is 6.5% of the total investment?

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exam Other Question
Solve following system of linear inequalities by graphing
x-2y>4
x<4



x-2y>4
-2y>-x+4
y>-1/2x+2 (0,1)(2,0) Check to see if I'm right.



x<4 I'm totally lost on Add or subtract Express the result in simplest form

___2___ - ____3____
5w+10 2w-4