Question

Clara has some sweets. if she packs them in groups of 5, she will have 3 extra sweets. if she packs them in groups of 8, she will have 7 extra sweets. what is the minimum number of sweets clara has?

Answer 1

23 sweets <====

in groups of 5......4 groups, 3 remaining
in groups of 8.....2 groups, 7 remaining