Since she spent $9.72 and deposited $9.72 her bank balance did not change at all. She basically paid off how much she spent on lunch on Wednesday.
Answer:
The answer is decreasing the money
Part A: 90*
Part B: at approximately (6,4)
Since they completed 2/15 miles in 20 mins.
There are 60 mins in an hour so we can multiply they amount of work they did by 3 and that will equal .4
Area = Length x width
Area = 8 x 8 = 64 square yards
Total cost = area x cost per square yard
Total cost = 64 x 1.00 = $64