The members at a health club decreased in number by 15% from last year to this year. The following expression was used to find the number of members in the health club this year, T, where H is the number of members in the health club last year.

Question

Select the correct interpretation for the given equation.
A.
T is 85% of the number of members last year.
B.
T is 0.15% of the number of members last year.
C.
T is 15% of the number of members last year.
D.
T is 0.85% of the number of members last year.
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Answer 1

To interpret the situation correctly, we start with the information given: the health club's membership decreased by 15%. Therefore, the remaining membership is 100% - 15% = 85% of last year's membership.

If \( H \) is the number of members last year, then the number of members this year, \( T \), can be expressed as:

\[ T = 0.85H \]

This means that \( T \) is 85% of the number of members last year.

Thus, the correct interpretation is:

A. T is 85% of the number of members last year.