When looking at the -7 and -11 it's like looking at a timeline you see the numbers from left to right so you would look at the -11 first and then the -7. whenever a number has the two lines it's the absolute value so you would ignore the negative signs and it would just be the number.
we subtract 200.39 from our total cost, which gives us 1,079.54 and then we divide by the amount she earns a week, 77.11. to get 14. it will take riley 14 weeks to have enough money to get the television.
