2007-02-02 11:48:39 · 7 answers · asked by mschantell07 2 in Education & Reference ➔ Homework Help
40%
32.8 + 26.2 + 21 = 80
80 = 80% of 100, so 80 = 40% of 200
2007-02-02 11:52:00 · answer #1 · answered by Stuart 7 · 0⤊ 0⤋
32.8 (Add the numbers)
26.2
21
-------
80.0
2. 80/200 (make the denomiator 100 by dividing by 2)
80/200 = 40/100
Solution: The sum of 32.8, 26.2, and 21 is 80. 40% of 200 is 80.
2007-02-02 19:59:54 · answer #2 · answered by Dynamite 4 · 0⤊ 0⤋
32.8+26.2+21=80
80/200=p/100 (fractions)
cross multiply
200p=8000
divided by
200
p=40 40%
2007-02-02 19:52:56 · answer #3 · answered by Jennie N. 2 · 0⤊ 0⤋
40%
32.8+26.2+21=80 (add)
x * 200 = 80
is the same as (what percent times two hundred is eighty)
x= 80/200
x =.4
.4 = 40% (move the decimal point over twice to get 40%)
2007-02-02 19:56:39 · answer #4 · answered by Roni 5 · 0⤊ 0⤋
Add the last 3 numbers: 32.8+26.2+21=80
take this number and divide by 200: 80/200=.4
Take this number and multiply by 100: .4x100=40 or 40%
I like math, I would do it all day if I ccould, but I can't. I have to sale scrapbook supplies door-to-door all day to help pay rent to grandma.
2007-02-02 19:56:39 · answer #5 · answered by Nick Y 2 · 1⤊ 0⤋
32.8+26.2+21=80
80/200=40/100=40%
2007-02-02 20:08:43 · answer #6 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
32.8 + 26.2 + 21= 80
80/200=.4
40%
2007-02-02 19:53:01 · answer #7 · answered by cooling1981 3 · 0⤊ 0⤋