Wednesday

September 17, 2014

September 17, 2014

Posted by **Shawna** on Wednesday, March 19, 2014 at 10:26am.

A) first venture: $9,000

second venture: $4,000

third venture: $2,000

B) first venture: $9,000

second venture: $2,000

third venture: $4,000

C) first venture: $8,000

second venture: $3,500

third venture: $3,500

D) first venture: $10,000

second venture: $4,000

third venture: $1,000

E) first venture: $8,000

second venture: $3,000

third venture: $1,000

- Math - clarify -
**Steve**, Wednesday, March 19, 2014 at 10:57amWhen you say

Investing in the first venture will cost $3,000 more than investing in both the second and the third venture.

do you mean #1 is 3000 more than both #2 and #3 combined, or 3000 more than either #2 or #3?

- Math - PreCalc (12th Grade) -
**Shawna**, Wednesday, March 19, 2014 at 11:09amI believe combined.

- Math - PreCalc (12th Grade) -
**Shawna**, Wednesday, March 19, 2014 at 11:12amAs explained , C, D and E cannot be correct.

A + B + C = 15000

A = B + C + 3000

3A + 2B + 2C = 30000

Solve these equations to get A, B and C

- Math - PreCalc (12th Grade) -
**Steve**, Wednesday, March 19, 2014 at 11:20amok. so we have

x + y + z = 15000

x = y + z + 3000

3x + 2y + 2z = 30000

Nope. That wasn't it.

So, if #1 costs 3000 more than either #2 or #3, we have

x + y + z = 15000

x = y + 3000

x = z + 3000

3x + 2y + 2z = 30000

No joy there, either.

So, what about the choices?

A: 3*9 + 2*(2+4) = 43 Nope

B: same answer

C: 3*8 + 2*(3.5+3.5) = 38 Nope

D: 3*10 + 2*(4+1) = 40 Nope

E: 8+3+1 ≠ 15

So, where's the typo? I suspect the value increased to $40,000, rather than $30,000, making D the answer.

- Math - Hmmm -
**Steve**, Wednesday, March 19, 2014 at 11:23amNo, C is out because 8 ≠ 3.5+3.5+3

D is out because 10 ≠ 1+4+3

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