a shipping company keeps track of the number of boxes in each shipment they send out. boxes per shipment how…

a shipping company keeps track of the number of boxes in each shipment they send out. boxes per shipment how many shipments are there in all? shipments
Answer
Explanation:
Step1: Identify shipment - counts per interval
For 0 - 9: 3 shipments. For 10 - 19: 7 shipments. For 20 - 29: 1 shipment. For 30 - 39: 4 shipments. For 40 - 49: 6 shipments.
Step2: Sum up all shipments
$3 + 7+1 + 4+6$ $= 21$
Answer:
21