Answer:
He can buy 635 US dollars.
Step-by-step explanation:
Given,
The number of New Zealand dollars Peter has = 900,
Also, 1 US Dollars = 1.4167 New Zealand dollars,
[tex]1\text{ New Zealand dollars}=\frac{1}{1.4167}\text{ US Dollars}[/tex]
[tex]\implies 900\text{ New Zealand dollars}=900\times \frac{1}{1.4167}=\frac{900}{1.4167}=635.279169902\text{ US Dollars}\approx 635\text{ US dollars}[/tex]
Hence, he can buy 635 US dollars.