← Statistics and Probability Cards you don't know will reappear later

You should create an account to save your progress. It only takes a minute!
new card

Notice that

25% of 800 = (1/4) of 800 = 200

and, of course:

10% of 800 = 80

so add these 35% = 25% + 10% = 200 + 80 = 280

I knew this card I didn't know this card
You have mastered 0 out of 24 cards
You are reviewing 0 out of 24 cards
You are learning 0 out of 24 cards

Have feedback about this card? Please email help@magoosh.com