not to buy all of them they can by 55 boxs
B since 11+11=22 and 3/7+4/7=1, 22+1=23
The answer to the question is letter "D. Commutative Property of Addition". The property states that if there are two numbers which we may represent by a and b, the value of a + b is equal to the value of b + a. The given, 8 + 5.3 = 5.3 + 8 is an example of this property.
2.5 + 3 = 5.5 total speed
7miles / 5.5 mph = 1.27 hours
