Answer:
a. and
Step-by-step explanation:
Let x be the larger number and y be the smaller number.
We have been given that one number is 4 more than another. We can represent this information in an equation as:
We can manipulate this equation as:
We are also told that the sum of both numbers is 60. We can represent this information in an equation as:
Upon looking at our given choices, we can see that option 'a' is the correct choice.