MATH
posted by Callie .
The chess club had 14 members at the beginning of the year and the membership increased by 50% by the end of the year?
a: how many members were there at the end of the year?
b: By the end of the next year there were only 14 members. What percent decrease was this?

MATH 
Ms. Sue
1.5 * 14 = 21
b.
21  14 = 7
7/21 = 0.33333 = 33.3% 
MATH 
bobpursley
a) 1.50*14=?
b) 14=21(1+i)
2/3= 1+i
i=1/3 or 33.3 percent decrease
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