Question

Martina went on vacation and sent postcards to all of her family and friends. She needed 39 postcards, but the store only sold them in packs of 15. She bought 3 packs. How many postcards did she have left over?

Answer 1

Step-by-step explanation:

bought 3packs

1 pack = 15 cards

3pack= 15x3= 45cards

she need 39only

means 45-39= 6cards left over.

Answer 2

Answer:

6

Step-by-step explanation:

3 x 15 = 45

45 - 39 = 6