Homework Help: Algebra Question 1

Posted by Jab on Thursday, October 6, 2011 at 6:28pm.

5. Business B pledged $20 million less
than twice the amount pledged by
Business A. Business C pledged $200
million less than twice the amount
pledged by Business B. If x represents
the amount pledged by the Business A,
write expressions to show the amounts
pledged by Business B and Business C
in terms of x.

b. The combined pledges of Business A,
Business B, and Business C totaled
$1035 million. Write an equation that
can be used to determine how much
each business pledged.

(I have no idea how to do this problem)

Algebra Question 1 - Reiny, Thursday, October 6, 2011 at 6:42pm
business A --- x , x in millions
business B --- 2x - 200
business C --- 2B - 200 = 2(2x-200) - 200

x + 2x-200 + 2(2x-200) - 200 = 1035

x +2x- 200 + 4x - 400 -200 = 1035
7x = 1835
x = 262.143 million

Check:
A pledged 262.143 million
B pledged 324.286 million
C pledged 448.571 million

262.143+324.286+448.571 = 1035
Algebra Question 1 - Jab, Thursday, October 6, 2011 at 7:05pm
Thank you so much!

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