Can someone me and i’ll give brainliest and it ha soy be correct !

Answer this question! 30 points and brainliest! only if you know the answer.

If julia has a value of x5.4 that is equivalent to x10.9 true or false. explain

Maria has $10,000 to invest in two accounts.he decides to invest one part in an account with 5% interest and the rest in an account with 8% interest. at the end of the year he has earned $702,50 in interest.¿how much did maria invest in the 8% account?