Answer:
2
Step-by-step explanation:
Mean = sum of data/sample size
Sum of data = 22 + 18 + 2y+1 + 10 + 20
Sample size = 5
Mean = 15
Substitute
15 = 22 + 18 + 2y+1 + 10 + 20/5
15*5 = 22 + 18 + 2y+1 + 10 + 20
75 = 70+2y+1
2y = 75-71
2y = 4
y = 4/2
y = 2
Hence the value of y is 2
3:45 P.M.
5:00 P.M.
4:45 P.M. First takes off the 15 minutes
3:45 P.M. and then the 1 hour
Answer:
He saves $7.50
Step-by-step explanation:
30% of 25
= 0.30 * 25
= 7.50
Answer:
3n + 5
Step-by-step explanation:
what do u mean by is it true or false?
Well I solved it and This is what i got