a townships population increased from x thousand to x+y thousand Find the percent of the population increase?
2007-02-25 11:26:15 · 5 answers · asked by firedragonof2005 1 in Education & Reference ➔ Homework Help
new----------x
______ _____
original 100
cross multiply
new times 100
answer divided by original is % of change
2007-02-25 11:30:03 · answer #1 · answered by ... 5 · 1⤊ 0⤋
X + Y
____
..X
example A
100 people plus 10 people divided by 100 people = 1.1 or 110%
example B
25 + 4
______ = 29/25 or 1.16 other wise said 116%
25
remember that the growth is the difference of the new number and the original (always 100%) so in example A the answer is 10% and in example B the answer is 16%
good luck on your homework
2007-02-25 19:37:37 · answer #2 · answered by some_old_spanish_minor_in_school 2 · 0⤊ 0⤋
the percent increase is y/x%, the increase (y) divided by the original population (x)
2007-02-25 19:33:06 · answer #3 · answered by buz 7 · 0⤊ 0⤋
y/x*100
If x=100, and y=20, then:
y/x=20/100=0.2
0.2*100= 20%
2007-02-25 19:33:18 · answer #4 · answered by Thisisnotmyrealname 2 · 0⤊ 0⤋
y%
its quite easy once u think about it
2007-02-25 19:30:07 · answer #5 · answered by masteropponent 2 · 0⤊ 1⤋