Answer:
11
Step-by-step explanation:
The mean is calculated as
mean = 
let the third number be x , then
= 15 ( multiply both sides by 3 to clear the fraction )
34 + x = 45 ( subtract 34 from both sides )
x = 11 ← third number
7,614 ,7,361,
Hope this helped.
Answer:
Its c i just did the math
Step-by-step explanation:
Jordan has 4/5 as many DVDs as Joseph means joseph has more DVDs than Jordan. number of joseph's DVDs * 4/5 = 56 so
<span>number of joseph's DVDs= 56 * 5/4 = 70</span>