Answer:
the mean is 15.435 because it is the average. Add up all the ages, then divide by the number of people.
Step-by-step explanation:
it´s a polygon. letter c (decagon) should be right
hope it helps :)
$7.85
2 pizzas at 11.99=23.98
4 soft drinks at 1.85=$7.40
23.98+7.40=31.38
31.38/4=7.845
Each friend pays $7.845, or $7.85 .........
25% is called a quarter of 900
