Answer:
31
Step-by-step explanation:
A negative negative is a positive
12- (-19)
12+19
31
Answer:
There were 39 children at the party
Step-by-step explanation:
Here, we want to know the number of children at the party
To do this, we have to add the y-values ( frequencies of the age grades)
We have this as;
8 + 8 + 7 +10 + 6 = 39
Answer:
39
Step-by-step explanation:
I did the math
