Question

Aida starts the week with $18.00. The table below shows the change in the amount of money she has each day.

Day Change in Amount ($)
Monday -5.15
Tuesday +12.40
Wednesday -11.20
Thursday +2.50
Friday x


Aida declares that she ended the week with the same amount of money with which she started the week. Determine the value of x for which Aida's statement is true.

Answer 1

+ 1.45

Explanation:

the end result is 16.55, therefore you add 1.45 to get $18 again.