How many vacutainers were filled in total?

How many vacutainers were filled in total?

• A. 85
• B. 92
• C. 88
• D. 90

Answer: (D)

When asked how many vacutainers were filled in total, the task is to add up every filled tube across all groups or categories described. Start with the number of filled tubes in each category, then sum them to get the grand total. It’s important to include every category exactly once and to avoid double-counting. In this case, adding all the counts from the problem yields 90, so the total number of vacutainers filled is 90. A quick check by re-summing in a different order can help confirm the result.

When asked how many vacutainers were filled in total, the task is to add up every filled tube across all groups or categories described. Start with the number of filled tubes in each category, then sum them to get the grand total. It’s important to include every category exactly once and to avoid double-counting.

In this case, adding all the counts from the problem yields 90, so the total number of vacutainers filled is 90. A quick check by re-summing in a different order can help confirm the result.