Subject :IMO Class : Class 6
Meera bought packs of trading cards that contain 10 cards each. She gave 7 cards to her friend.
[[x = Number of packs of trading cards]]
Which expression shows the number of cards left with Meera?
A 10 x - 7
B 7 x - 8
C 5 - 10 x
D 8 - 5 x