TEACHER-GUIDE-VERIFIED · TG-V9-016

5. A mapping team covers 25,000 km^2 per day. How many whole days are needed to map 3,141,600 km^2?

Verified solution

Solution: 3,141,600/25,000 = 125.664. A partial day is not enough, so 126 whole days are needed.

Source: Teacher Guide V9 · English V9. Match the numbers and wording in your printed question before using this solution.

Watch the worked example Previous question Search all questions Next question

VIDEO HELP · TG-V9-016

How Many Days to Map a Moon? | Area ÷ Daily Rate (TG-V9-016)

Divide 3,141,600 km² by 25,000 km² per day to get 125.664 days. Use mental math and the remaining 16,600 km² after 125 days to explain why 126 whole days are needed. All areas are in square kilometers.

Space Math Explorers · approved worked example · 2:41 · Watch on YouTube

Need another kind of explanation?

Return to the matching online lesson for its formulas, examples, and problem-specific tutor. A reviewed video appears there only when it has been checked and assigned.

Choose the matching mission and lesson

Scope of this help

These pages reproduce verified solution steps for the registered V9 questions. It does not diagnose learning needs or replace instruction from a qualified teacher or tutor.