Last semester, the alumni association raised $240 for activities. This semester, it raised 120% of last semester amount. How much did the alumni association raise for both semesters? A.288
B.528
C.768
D.1056

the answer is 15% decrease

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6