Answer:
80
Step-by-step explanation:
25/100 is one fourth so flip the fraction then multiply by 20 for your answer
Answer:
3.82362
rounded: 3.82
Step-by-step explanation:
Mean = Sigma (summation) of x ÷ n
(Making Sigma x The subject of the formula)
Summation of x = Mean × n
= 8 × 15
The summation of all the scores= 120
The change of x is 20-5 = 15
New summation = 120 - 15 = 105
Using formula:
105 ÷ 15 = 7
ų = 7
31 1\4% as a fraction is 31x4+1 over 4
125\4 %