Question 1 of 21
Evan has 150 gold coins, 180 silver coins and 420 platinum coins. He wants to place all the coins in stacks so that each stack has the same number of coins.
(a) How many stacks of coins can he make?
(b) How many coins made of gold, silver and platinum are there in each stack?
A
(a) He can make 5 stacks of coins.
(b) Gold: 40 Silver: 50 Platinum: 100
(b) Gold: 40 Silver: 50 Platinum: 100
B
(a) He can make 10 stacks of coins.
(b) Gold: 50 Silver: 60 Platinum: 120
(b) Gold: 50 Silver: 60 Platinum: 120
C
(a) He can make 15 stacks of coins.
(b) Gold: 60 Silver: 70 Platinum: 140
(b) Gold: 60 Silver: 70 Platinum: 140
D
(a) He can make 20 stacks of coins.
(b) Gold: 70 Silver: 80 Platinum: 160
(b) Gold: 70 Silver: 80 Platinum: 160
E
None of the above
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