Answer: C ; 7 and 8
Step-by-step explanation: The correct question is as follows; On a number line, between which two consecutive whole numbers would 7.8 be located? Solution Here, we want to know between which consecutive whole numbers will 7.8 be located . As we know, 7.8 is a decimal, it is same as 7 + 0.8 It is greater than 7 but less than 8; Thus it is between 7 and 8