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.
Answer:
tdyt8ugt77r6r5etstdd56d6e6d5s5e5e5e6tdufycydycycycycycyxtztxyvib>
Oh don't worry it means length,width and height so you multiply LxWxH
All multiples of 10 end in a zero besides the number zero. So 10, 20, 30 and so on....