If a circle has center (a,b) and radius r, the equation is
So, you have
Hahaha Well actually u just have to multiply MY mummy always helps me with math like that
Answer:
t + f = 2000
let represent the amount invested at three percent; let f represent the amount invested at five percent. The total of these amounts is $20,000. The total of the interest earned by each amount is $800. Of course the interest earned is the amount multiplied by the interest rate.
