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