Answer:
at 10% $ 400
at 11% $ 1,100
Step-by-step explanation:
principal x rate x time = interest
there is an account which yields at 10%another at 11% which also, is $700 dollar greater.
both yield 161 dollars
the equation would be:


We can solve for the principal at 10%



Then first principal is for 400 dollars
the second: 400 + 700 = 1,100 dollars