Brandie lives on the twelfth floor of her apartment building. She walks down 2 flights to visit a friend, then up 3 flights to d

Question

2 years ago

8

Brandie lives on the twelfth floor of her apartment building. She walks down 2 flights to visit a friend, then up 3 flights to d

eliver a message to a neighbor. Which integer best represents the number of flights Brandie must walk to get back to her starting point?
A.–12
B.–1
C.5
D.7

Mathematics

2 answers:

elena55 [62] · Answer 1 · 2022-08-11T14:55:57+03:00

elena55 [62]2 years ago

6 0

B.-1 because she started on the twelfth floor she walks down 2=10 and then back up 3=13 so she has walk down 1 flight to get back.

Serjik [45] · Answer 2 · 2022-08-11T16:37:55+03:00

Answer:

Option B. -1

Step-by-step explanation:

Brandie lives on the twelfth floor of her apartment building.

She walks down 2 flights to visit a friend = 12 - 2 = 10th floor

Then up 3 flights to deliver a message to a neighbor = 10 + 3 = 13th floor

Now Brandie walk to get back to her starting point that is 12th floor, she must walks down 1 flight.

So the answer would be option 'B' -1