← Percents Cards you don't know will reappear later

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

30% more than 400

Click to see back →
mastered

30% more than 400

520

30% of 400 is three times 10% of it: 30% of 400 = 3*40 = 120. That's the amount that is added to the original 400 + 120 = 520.

I knew this card I didn't know this card
You have mastered 0 out of 20 cards
You are reviewing 0 out of 20 cards
You are learning 0 out of 20 cards

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