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Marla is tracking the week's weather by recording the outside temperature at 9 p.m. each day. Her data are shown in the table below.

The table shows temperatures at 11 degrees Fahrenheit on Monday, 3 degrees Fahrenheit on Tuesday, -2 degrees Fahrenheit on Wednesday, 1 degree Fahrenheit on Thursday, and -4 degrees Fahrenheit on Friday.

Which of these statements are true? Choose all that are correct.

A.
The 9 p.m. temperature increased by 8 °F from Monday to Tuesday.

B.
The 9 p.m. temperature decreased by 5 °F from Tuesday to Wednesday.

C.
The 9 p.m. temperature increased by 3 °F from Wednesday to Thursday.

D.
The 9 p.m. temperature decreased by 3 °F from Thursday to Friday.

E.
Throughout the week, the 9 p.m. temperatures decreased every day.

F.
Throughout the week, the 9 p.m. temperatures increased once.

1 answer

Let's analyze the temperatures recorded by Marla each day:

  • Monday: 11°F
  • Tuesday: 3°F
  • Wednesday: -2°F
  • Thursday: 1°F
  • Friday: -4°F

Next, we will evaluate each statement:

A. The 9 p.m. temperature increased by 8 °F from Monday to Tuesday.

  • From Monday (11°F) to Tuesday (3°F), the temperature actually decreased by 8°F (not increased). False.

B. The 9 p.m. temperature decreased by 5 °F from Tuesday to Wednesday.

  • From Tuesday (3°F) to Wednesday (-2°F), the temperature decreased by 5°F. True.

C. The 9 p.m. temperature increased by 3 °F from Wednesday to Thursday.

  • From Wednesday (-2°F) to Thursday (1°F), the temperature increased by 3°F. True.

D. The 9 p.m. temperature decreased by 3 °F from Thursday to Friday.

  • From Thursday (1°F) to Friday (-4°F), the temperature decreased by 5°F. False.

E. Throughout the week, the 9 p.m. temperatures decreased every day.

  • The temperatures decreased from Monday to Tuesday, from Tuesday to Wednesday, and from Thursday to Friday. However, there was an increase from Wednesday to Thursday. False.

F. Throughout the week, the 9 p.m. temperatures increased once.

  • The temperature increased from Wednesday (-2°F) to Thursday (1°F). True.

So the correct statements are:

  • B.
  • C.
  • F.