What is the value of x ? explain step by step !

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

Write the equations in logarithmic form 10^3=1,000