Find missing values in tables of equivalent ratios
Find the number each known value was multiplied by, then use that same number for the missing value.
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The table shows equivalent ratios of dollars earned to hours worked. dollars earned: ?, 6, 9. hours worked: 1, 2, 3. Find the missing number.
Answer: 3
The table shows equivalent ratios of pages read to minutes. pages read: 4, 8, 12. minutes: 3, ?, 9. Find the missing number.
Answer: 6
The table shows equivalent ratios of liters of paint to square meters covered. liters of paint: 3, 6, ?. square meters covered: 4, 8, 12. Find the missing number.
Answer: 9
Tip: Find the number each known value was multiplied by, then use that same number for the missing value.
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