It is called a fact Family
10 800 0 to the first problem
Answer:
The mean is: 19
Step-by-step explanation:
Add all of those numbers up (133)
Divide it by the total amount of numbers (7)
133÷7=19
Answer:we know that all 3 sides are equal
so if side =a
then perimeter =3a
therefore
3a=6n-15
a=6n-15/3
a=2n-5
500 adult tickets and 350 children tickets.
Check :
500A($1.5)=$750
350C($1)=$350
$750 + $350 = $1100 AND 500 + 350 = 850 tickets