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" ... 161. 30 men can perform a piece of work in 20 days ; how many men will it take to perform the same work in 8 days ? 162. "
Intellectural Arithmetic, Upon the Inductive Method of Instruction - Σελίδα 140
των Warren Colburn - 1847 - 160 σελίδες
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...many months' board can I have for 100 dollars ? 160. A ship has sailed 24 miles in 4 hours ; how long will it take her to sail 150 miles at the same rate...162. 17 men can perform a piece of work in 25 days ; in how many days would 5 men perform the same work 1 163. A hare has 76 rods the start of a greyhound,...

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Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

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Warren Colburn - 1828 - 160 σελίδες
...sailed 24 miles ih •! hours ; how long will it take her to sail 150 miles at the same G .•..-/ rate ? ( $ •/. 161. 30 men can perform a piece of work in 20 days ; how many men wiir jt take to perform the same work in 8 days ? jy \ • 162. 17 men can perform a piece of work...

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...many months' board can I have for 100 dollars ? 160. A ship has sailed 24 miles in 4 hours ; how long will it take her to sail 150 miles at the same rate...can perform a piece of work in 20 days ; how many rne'r: wiil it take to perform (he same work in S days : 162. 17 men can perform a piece of work in...




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