21. Fatina wants to mail three parcels to three village schools. She finds that the postal charges are Rs 20. Rs 28 and Rs 36. respectively. If she wants to buy stamps only of one denomination, what
is the
greatest denomination of stamps she must buy to mail the three parcels?
answer if sure only
answer correct=follow+thanks +brainellist
is the
greatest denomination of stamps she must buy to mail the three parcels?
answer if sure only
answer correct=follow+thanks +brainellist
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