So if there are twenty children and 6 have an average age of five, you could say their total age together is 30 years. The others (20-6) have an age of 8.
30+ (20-6)*8 = total age of every child at the library. From there divide by the number of children.
.75x+5 ≤ 12
Explanation:you need to spend the 5 dollars to get in and the x is the number of games you play so all of that needs to be less than or equal to 12
P <span>≤ </span>450$ Rebecca can only pay equal to 450$ or less than 450$ so she can only afford A and B
It will be 3.4 + 2.78 + 4.19 = 10.37 minutes or 10 minutes and 37 seconds
Answer:
12 laps
Step-by-step explanation:
1/4 times 12 =3