What's the answer of these.. me and show the work.. i don't know what should i do

| 5 - √5 | + | -5 | =
| 1 - √5 | + | 1 + √5 | =
| 3 - √5 | + | -√5 | =

Eric and shiloh each have a savings account. the ratio of eric’s account balance to shiloh’s account balance is 4: 3. together they have a total of $140 in their accounts. use the tape diagram below to you determine the balance of eric’s account.