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March 30, 2015

March 30, 2015

Posted by **Bob** on Sunday, May 5, 2013 at 9:30am.

- Math (Algebra) -
**Reiny**, Sunday, May 5, 2013 at 12:31pmmake a chart, consisting of 3 columns and 2 rows

label the columns , (M)ale (F)emale (A)pplicants

and the rows, (S)uccess and (F)ailure

--- M- F-- A

S - 5x 3x 8x

F - y .. y .. 2y

given:

"the number of successful applicants is 176"

---> 8x = 176

x = 22

"The ratio of men to women in the applicants for Lamborghini this year is 4:3"

---> 8x/2y = 4/3

8y = 24x

y = 3x = 66

**number of applicants = 8x + 2y = 176 + 132 = 308**

CHECK:

successful males = 110

successful females = 66

for a total of successful applicants of 176 ✔

failing males = 66

failing females = 66

total male app = 110 + 66 = 176

total female app = 66 + 66 = 132

male appl : female app = 176 : 132 = 4:3 ✔

ratio of succ males : succ females = 110 : 66 = 5:3 ✔

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