[求助]gwd3-30

wuliao98

Q30

The percentage of households with an annual income of more than $40,000 is higher in Merton county than in any other county.  However, the percentage of households with an annual income of $60,000 or more is highest in Sommer county.

If the statements above are true, which of the following can properly be concluded on the basis of them?   B

1. No household in Merton county has an annual income of $60,000 or more.
2. Some households in Merton county have an annual income between $40,000 and $60,000.
3. The number of households with an annual income of more than $40,000 is greater in Merton than in Sommer county.
4. Average annual household income is higher in Sommer than in Merton county.
5. The percentage of households with an annual income of $80,000 is higher in Sommer than in Merton county

stevegt

math question. the percentage of >40000 in M is higher than >40000 in S. so the percentage of >40000 in M must be higher than the percentage of >60000 in S as well, but the percentage of >60000 in M is lower than >60000 in S. so there are must be part of the >40000 earners in M earning <60000.