Question 524684: Mary,Bob, and Dylan contributed money to the college fund in the ratio of 3:5:8. If they contributed $464, how much did each person contribute to the fund?
Found 2 solutions by solver91311, Edwin McCravy:
Answer by solver91311(24713)   (Show Source):
You can put this solution on YOUR website!
If the proportion is 3:5:8, then there must be 3 + 5 + 8 = 16 portions, 3 of which were contributed by Mary, 5 by Bob (hope I didn't spell his name backwards), and 8 by Dylan. Divide the total by 16, then multiply by 3 to get Mary's amount, by 5 to get Bob's amount, and by 8 to get Dylan's amount.
John
My calculator said it, I believe it, that settles it
Answer by Edwin McCravy(20060)  (Show Source):
You can put this solution on YOUR website!
Rule:
To break a quantity Q down into parts in the ratio of
a:b:c
multiply Q by the fractions
 ,  , and  .
---------------------------------
We wish to break $464 down into parts in the ratio of
3:5:8
so we multiply $464 by the fractions:
 ,  , and  ,
or
 ,  , and 
or
, , and 
When we multiply we get:
,
×$464, ×$464, and ×$464
$87, $145, and $232
So Mary contributed $87, Bob contributed $145, and Dylan contributed $232.
Edwin
|
|
|
