Question

5. You and a friend are comparing your card collections. How many cards does your friend have?

Yours: 81 cards
27mm
Friend's cards
57mm​

Answer 1

19 we kno

Explanation:

we know each card is 1/3 of a mm as 81 times 1/3 is equal to 27 so simply divide your friends cards by 3 to find out the total