The ratio of yellow ping pong balls to white ping pong balls is 3:4. If there are 63 ping pong balls, how many of each color are there?
2006-10-16 12:13:20 · 5 answers · asked by riki_tiki_timbo 2 in Education & Reference ➔ Homework Help
you must divide the total number (63) by 7 (because if 3 parts are yellow and 4 parts are white that makes 7 parts.) lets do the math 63 divided by 7=9 now multiply the 9 by the 3=27 (yellow) now multiply the 9 by 4=36 (white) . So 27 are yellow and 36 are white. self Check 36+27=63
2006-10-16 12:41:13 · answer #1 · answered by emily h 1 · 0⤊ 0⤋
3x = yellow balls
4x = white balls
3x + 4x = 63
7x = 63
x = 9
... So 3x = 27 yellow balls and 4x = 36 white balls
2006-10-16 12:28:30 · answer #2 · answered by dmb 5 · 0⤊ 0⤋
let x be yellow balls and y be white balls
x+y=63
x/3=Y/4 then 4x=3y
then solve for x
x=63-y
4(63-y)=3y
252-4y=3y
7y=252
y=36
then x=27
2006-10-16 13:03:37 · answer #3 · answered by Anonymous · 0⤊ 0⤋
heard that 1 but the other 3 were quality still starred tho x
2016-03-28 12:14:27 · answer #4 · answered by Anonymous · 0⤊ 0⤋
for every 3 yello there are 4 white
63/3=21
4*21=84
j
2006-10-16 12:18:20 · answer #5 · answered by odu83 7 · 0⤊ 1⤋