Micaiah places coins in the order of penny, nickel, dime, penny, nickel, dime, and so on, as shown, so that each row contains one more coin than the previous row. What is the total value in cents of all coins in the 12th row?
1
5 10
1 5 10
1 5 10 1
5 10 1 5 10
+36916 Each row has the same number of coins in it as the row number
12th row has twelve coins ....look at the patterns of the sides of the triangle
151 1 10 10
151 151 151 151 twelfth row starts with 1 has 12 coins
1 5 10 1 5 10 1 5 10 1 5 10 Add the red numbers for answer (16 * 4 = 64 cents)
