Meghan went on vacation and sent 15 friends either a letter or a postcard. The postcards cost $0.35 to send and the letters cost $0.49 to send. Meghan spent $6.23 total on the postage for the postcards and letters.How many letters are sent? How many postcards are sent

Respuesta :

So she hade sent 8 postcards x .35=2.80+ 7 letters at .49=3.43
2.80+3.43=6.23