Maths Word Problem

In Maths we have been studying word problems. Abi, Jake, Jamie, Dylan, Isaac and Rory collaborated on creating their own word problem. Can you solve it?

Abi bought some chocolate bars to share equally with her friends. She bought between 50 - 80 bars altogther.

If she shares the bars equally with 7 friends she has 3 left over.

If she shares the bars equally between 6 friends she has 5 left over.

How many bars did Abi buy?