Answer :

Ice cream order time = 4 minutes

Zander time = 210 seconds

Express Zander's time in minutes and compare:

1 minute = 60 seconds

[tex]210s=\frac{1m}{60s}[/tex]

210/60 = 3.5 minutes

3.5 < 4

He made the sundae in less than 4 minutes (3.5 m)

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