Problema Solution

Tom received a collection card from his grandfather. the collection is in a leather book that holds 500 cards. tom currently has 120 cards, but he joined a club that sends 12 new cards for each month.

a) make a table showing the number of cards for month 0-5

b) how many the cards he collection after a year?

Answer provided by our tutors

month 0: 120 to begin

month 1: 120+12 = 132

month 2: 132+12 = 144

month 3: 144+12 = 156

month 4: 156+12 = 168

month 5: 168+12 = 180


12 months in a year, Tom will have:

120 + 12*12 = 120 + 144 = 264