Alocal hamburger shop sold a combined total of 498 hamburgers and cheeseburgers on tuesday. there were 52 fewer cheeseburgers sold than hamburgers.

275 hamburgers and 223 cheeseburgers were sold on Tuesday.

Solution:

Assume hamburgers as H and cheeseburgers as C,

From the given,

Total number of hamburgers and cheeseburgers sold on Tuesday is 498 i.e.

There were 52 fewer cheeseburgers sold than hamburgers i.e.

On substituting (1) in (2) we get,

On substituting (3) in(1) we get,

what are the issues?

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.