Subtract the 17190 from the 21840. you get 4650. 4650 divided by 21840 is 0.21. The percent decrease is 21%
Answer:
the triangle are equilateral
100 is 480% , times by 48
13/52 : probability of all spades
4/50: probability of all aces
1. What is the probability of drawing a spade, a clover, a heart ace, and a diamond ace?
2. What is the possibility of drawing a spade, a spade king, a heart ace, and a spade ace?
For every hour they studied their grade will go up by 9.6 points