Question

Alex has cards with different shapes on them. He sorts the cards and determines that 4% of the shapes on the cards are triangles. Alex has 5 triangle cards. How many cards are there in all? Select from the drop-down menu to correctly complete the sentence. Alex has Choose... cards.

Answer 1

125

Explanation:

Let's call the number of cards Alex has is x (cards)

4% of the cards' shapes are triangles => 4%x is triangle

Meanwhile, Alex has 5 triangle cards

=> 4%x = 5

=> x = 5/4% = 5* 100/4 = 5*25 = 125

In conclusion, Alex has 125 cards