Question

Andrea wants to deposit money into a bank account that earns 4% simple interest. Use the formula 1=prt to find the amount of money that she should deposit so she earns $2800 after 3.5 years. Show and explain your work.

Answer 1

2800=x*4%*3.5
2800/(4%*3.5)=x
20000=x 
Hope i helped;)