Explanation:
We will have: P as Peaches and M as Mangoes
We now have: P + M = 4568 and P - 1654 = M (or M + 1654 = P)
=> Therefore, P + M = M + 1654 + M = 4568
=> 2M = 2914
=> M = 1457
=> P = 1457 + 1654 = 3111
a/ There are 1457 mangoes.
b/ There are 3111 peaches.