---
title: "A boat can row across a still \\( 1 \\, \\text{km} \\) wide river at a maximum speed of \\( 5 \\, \\text{km/hr} \\). If a current of \\( 4 \\, \\text{km/hr} \\) flows east as you try to directly cross the river, how long would it take?"
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url: "https://nerd-notes.com/ubq/68056/"
date_modified: "2025-08-22T09:57:54+00:00"
---

# A boat can row across a still \( 1 \, \text{km} \) wide river at a maximum speed of \( 5 \, \text{km/hr} \). If a current of \( 4 \, \text{km/hr} \) flows east as you try to directly cross the river, how long would it take?

A boat can row across a still \( 1 \, \text{km} \) wide river at a maximum speed of \( 5 \, \text{km/hr} \). If a current of \( 4 \, \text{km/hr} \) flows east as you try to directly cross the river, how long would it take?

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/68056/*
