Question
There are 112 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated, filling up full rows of seats. How many rows are empty?
We added and got 189 then divided by 3. But it doesn't look correct.
How do we show the work?
We added and got 189 then divided by 3. But it doesn't look correct.
How do we show the work?
Answers
Ms. Sue
Why did you add?
Why did you divide by 3?
70 people are sitting.
They fill up full rows of seats
There are 7 seats in a row.
Why did you divide by 3?
70 people are sitting.
They fill up full rows of seats
There are 7 seats in a row.
Then the answer is 10.
Ms. Sue
They fill up 10 rows.
But the question asks how many rows are empty.
Hint: How many rows are in the auditorium?
But the question asks how many rows are empty.
Hint: How many rows are in the auditorium?
16 rows empty
Ms. Sue
Hmm -- there are 16 rows all together. 112/7 = 16
But 10 are already filled. How many are empty?
But 10 are already filled. How many are empty?
7 are empty.
however, the choices are
6
10
16
and 28
however, the choices are
6
10
16
and 28
i think it is 6.
there are 6 empty rows
The answer is 7
112 divided by 7 = 16 10 rows are filled so 6 rows empty