Zach has invested a total of 100,000
<h3>What is a ratio?</h3>
The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.
the ratio 1 : 2 : 0.5 can be written in whole number ratios
by multiplying the ratio by 2 so that it becomes
2:4:1
Total shares = 2 + 4 + 1 = 7
Zach's share = 2/7 x 350,000
Zach's share = 2 x 50,000, which is 100,000
In conclusion, Zach's share of the total money invested is 100,000
Learn more about ratio: brainly.com/question/2328454
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