distributing properties
-66+42
55+(-34)
21
-57+57
0
-21-17
-38
29+(-28)
+1
-56+76
20
Sarah bought a bike that cost $260. She had a coupon that was worth $55 off the cost of any bike. Use the expression 260+(-55) to find how much Sarah paid for her bike.
$205
-7-(-4)
-3
a shark is swimming 60 feet below the surface of the ocean. There is a fish that is 25 feet deeper in the water. Use the expression (-60)+(-25) to describe the fish's location relative to the surface of the ocean.
-85
5-(-10)
15