In the Pokémon card game, two players enter into friendly competition to ‘battle’ each other in a field and knock out each other’s Pokémon. A starting deck of cards could have a ratio of Pokémon cards to trainer cards to energy cards of 5 : 2 : 3. If the deck contains 60 cards, how many of each card type will there be?
a) 30 Pokémon cards, 12 trainer cards, 18 energy cards
b) 25 Pokémon cards, 10 trainer cards, 15 energy cards
c) 35 Pokémon cards, 14 trainer cards, 21 energy cards
d) 20 Pokémon cards, 8 trainer cards, 12 energy cards
