Touch to buy online math assessment with explanation of the correct answer. You can access via smartphone, tablet, laptop, or desktop to help you pass your math test.







Money Invested at 7% and 5% Interactive Calculator

X + Y =

Equation 1


X + Y =

Equation 2


Answer, X =

Answer, Y =

To check your answer substitute the value of X and Y in both equation 1 and equation 2.

IMPORTANT to enter 1 if there is no constant on X and Y. For negative number enter the negative sign, for example, -1. Do not include the comma symbol , because it will display Not a Number (NaN) error message.




How to calculate or show me the
Calculator / Formula / Equations