an employee at the craft store counted the number of red buttons in each bag of mixed buttons. red buttons…
an employee at the craft store counted the number of red buttons in each bag of mixed buttons. red buttons per bag how many bags of buttons are there in all? bags
Answer
Explanation:
Step1: Identify bar - heights
The heights of the bars for the intervals 0 - 4, 5 - 9, 10 - 14, 15 - 19, 20 - 24 are 8, 4, 2, 9, 7 respectively.
Step2: Sum the bar - heights
$8 + 4+2 + 9+7$ $= (8 + 4)+2+(9 + 7)$ $= 12+2 + 16$ $= 30$
Answer:
30