Austin & Kaitlyn Kojan invested $195,000 in a business venture. If Kaitlyn invested 2 1/4 as much as Austin invested, how much money did Kaitlyn invest?

Mathematics · Middle School · Wed Jan 13 2021

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Given the statement:

Austin & Kaitlyn Kojan invested $195,000 in a business venture.

Determine how much money did Kailtyn invested if she invested 2 ¼ as much as Austin.

Solution:

Let x = Austin's Investment

2.25x = Kaitlyin's Investmen

In order to determine how much Money did Kaitlyn invested, we equate the representations into one solution with a sum of 195,000.

x + 2.25x = 195,000

3.25x = 195,000

Divide both sides by 3.25 in order to get the value of x.

x =60,000

Austin's investment = $60,000

Kaitlyn's Investment:
=(2.25)($60,000)
=$135,000

Final answer:
Kaitlyn's investment = $135,000