exam Maths Puzzle Numerical Ability

solve by grouping
x^5 + 4x^3 + 7x^2 + 28

Read Solution (Total 0)

exam Other Question

_4<with a line under the less than sign x<5? This is where i got mixed up in is when i tried to divide it all and got cunfused. i'm on chapter 8. A total of $34000 was invested in two parts, one part at an interest of 20% and the other part at an interest of 15%. The amount invested at 20% invest was $500 more than the amount invested at 15% interest. Find the amount invested in each part.