Answer:Lila has sold 60 candy bars.
ED needs to sell 48 candy bars to catch up with Lila.
Explanation:
The number of candy bars Lila has sold so far can be represented by 5x.
Ed has sold x number of candy bars.
If Ed has sold 12 candy bars, it means that the number of Candy bars that Lila has sold would be
5 × 12 = 60
To catch up to Lila, the number of candy bars that Ed needs to sell would be
60 - 12 = 48 candy bars.