Answer:
B
Step-by-step explanation:
because 4 and 3 are grouped together you would add them first. this would change the outcome of the problem.
Answer:
11
Step-by-step explanation:
15-4 = x
15-4 = 11
x = 11
to isolate x, you move 4 to the other side and it becomes 15-4 = x
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:
44
Step-by-step explanation:

