Erik walks 15 minutes east to his friend’s house. Then he and his friend walk 9 minutes west to the bus stop.
Using compass directions on a number line, which expression can be used to find how many minutes Erik’s house is from the bus stop?
compass with four arrows coming out from the center. The arrow pointing up is north, the arrow pointing down is south, the arrow pointing right is east and the arrow pointing left is west.

-15 + -9

+15 + -9

+15 + +9

-9 - +15

Question

Erik walks 15 minutes east to his friend’s house. Then he and his friend walk 9 minutes west to the bus stop.
Using compass directions on a number line, which expression can be used to find how many minutes Erik’s house is from the bus stop?
compass with four arrows coming out from the center. The arrow pointing up is north, the arrow pointing down is south, the arrow pointing right is east and the arrow pointing left is west.

-15 + -9

+15 + -9

+15 + +9

-9 - +15

anonymous · Answer

never mind the answer is B