There are 150 oranges, apples and pears in a box. The ratio of the number of oranges to the number of apples is 3:5 and the ratio of the number of pears to the number of apples is 2:5. Find the number of pears in the box.
2006-10-08 13:38:23 · 10 answers · asked by SET 1 in Science & Mathematics ➔ Mathematics
30
2006-10-08 18:22:14 · answer #1 · answered by Jackie C 1 · 0⤊ 0⤋
The ratio of oranges to apples to pears is 3:5:2 so the number of pears is 30.
2006-10-08 20:42:23 · answer #2 · answered by mediaptera 4 · 0⤊ 0⤋
Let us denote the total number of oranges as A
Apples as B
Pears as C
now,
A + B + C = 150 ... Eqn 1
Now the ratio given to us is:
3:5:2 since we are considering,
hence the total number of Pears will be 150*2/(3+5+2) = 30 pears
2006-10-08 20:43:31 · answer #3 · answered by aazib_1 3 · 0⤊ 0⤋
30
2006-10-08 20:43:10 · answer #4 · answered by Anonymous · 0⤊ 0⤋
30 pears
2006-10-08 20:45:56 · answer #5 · answered by guy198 2 · 0⤊ 0⤋
ok. What you do is this:
1. set up your proportion
2 x
-- = --
5 150
2. Cross multiply your proportion
5x=300
3. Divide to solve for x
5x=300
-----------
5
4. Here's your answer
x=60 pears
2006-10-08 20:56:26 · answer #6 · answered by Mysterious Mistress 1 · 0⤊ 0⤋
The answer was 30, but I ate two while computing it. So I say 28.
2006-10-08 20:46:35 · answer #7 · answered by warm pupp 4 · 0⤊ 0⤋
30 b/c 150=3x+2x+3x
150=10x
15=x
2x=2(15)=30
2006-10-08 20:42:56 · answer #8 · answered by kat 2 · 0⤊ 0⤋
yes da answer is 30
2006-10-08 20:46:49 · answer #9 · answered by Anonymous · 0⤊ 0⤋
i love algebra
2006-10-08 20:45:31 · answer #10 · answered by veryberry 3 · 0⤊ 0⤋