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" If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time will 24 men build one 200 feet long, 8 feet high, and 6 feet thick ? 8 : 12 : : 20x6x4 24: 200x8x6 80 (lays, Jlns. "
A New and Complete System of Arithmetick: Composed for the Use of the ... - Σελίδα 152
των Nicolas Pike - 1822 - 532 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

The Scholar's Arithmetic; Or, Federal Accountant ...: The Whole in a Form ...

Daniel Adams - 1807 - 248 σελίδες
...answer to be found ? 5. WHEN the proportion is Inverse, how is the answer to be found ? JEXERCISES. 1. IF 6 men build a wall 20 feet long, 6 feet high, and 4 feet wide in 16 days, in what time will 24 men build one 200 feet long, 8 feet high and 6 feet thick ? /)...

The Columbian Arithmetician: Or New System of Theoretical and Practical ...

1811 - 236 σελίδες
...; m. : JO ]£;: " m : 15 long. } square feet. • " If 6 men build a wall 20 ft long, 6 high and 4 thick^ in 16 days ; in what time will 24 men build one 200 ft long, 8 high and 6 thick ?" effect. : cause. " effect. : cause. long br. th men clays. long- br....

The Columbian Arithmetician: Or New System of Theoretical and Practical ...

1811 - 230 σελίδες
...225 As 2m. : 10 lg :: 3m : 15 long. 3 square Ibet. " If 6 men build a wall 20 ft long, 6 high and 4 thick, in 16 days -, in what time will 24 men build one 200"ft long, 8 high and 6 thick ?" elicit ; came. " effect. : cause. I,-, ¡-:OP b". th nif-n d:iys....

Daboll's Schoolmaster's Assistant: Improved and Enlarged : Being a Plain and ...

Nathan Daboll - 1813 - 244 σελίδες
...carriage of * ewt. 2 qrs. 25 Ib. 04 miles, at the same rate ? Ans. gM,08c<i. 6m. + 10. If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time' will 24 mer build one 200 feet long, 8 feet high, and 6 feet thick ? 8 : 12...

The Scholar's Arithmetic: Or, Federal Accountant

Daniel Adams - 1816 - 222 σελίδες
...be found •¡ • . EXERCISES. '1. If б men build a wall 20 feet long, 6 feet high and 4 feet wide in 16 days, in what time will 24 men build one 200 feet long, 8 feet high and 6 thick ? Jlns. 80 days. The solid contents in each piece of wall according to the given dimensions,...

Daboll's Schoolmaster's Assistant, Improved and Enlarged: Being a Plain ...

Nathan Daboll - 1817 - 252 σελίδες
...Aits. gl4, OScts. 6m.+ 10. If 8 men can build a wall 20 feet long, 6 feet highand 4 feet thick, in. 12 days;. in what time will 24 men . build one 200 feet long, 8 feet- high, and C feet thick ? 8 : 12.: : 20X0X4 24-: 200X8X6 80 days, Ans. CONJOINED- PROPORTION, JS when the coins,...

Daboll's Schoolmaster's Assistant: Improved and Enlarged. Being a Plain ...

Nathan Daboll - 1818 - 246 σελίδες
...Jlns. g14, 0Scis. 6m. + 10. If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time will 24 men build one 200 feet long, 8 feet high, and 6 feet thick ? 8 : 12 : : 20x6x4 24: 200x8x6 80 (lays, Jlns. CONJOINED PROPORTION, IS when the coins, weights or...

Daboll's Schoolmaster's Assistant: Improved and Enlarged. Being a Plain ...

Nathan Daboll - 1818 - 246 σελίδες
...carriage of 7 cwt. 2 qrs. 25 Ib. 64 miles at the same rate ? i Jlns. g14, O&cts. 6m.+ 10. If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time will 24 men build one 200 leet long, 8 feet high, and 6 feet thick ? 8 : 12...

Daboll's Schoolmaster's Assistant: Improved and Enlarged; Being a Plain ...

Nathan Daboll - 1820 - 256 σελίδες
...814, 0Sots. 6m. -f 10. If 8 men can build a wall 20 feet long, 6 feet higk and 4 feet thick, in 12 days ; in what time will 24 men build .one 200 feet long, 8 feet high, and 6 foet thick ? 8 : 12 : : 20x6x4 24 : 200x8x6 80 days, Jtns, CONJOINED PROPORTION, iS when the coins,...

Elements of Arithmetic

Etienne Bézout - 1824 - 238 σελίδες
...8cwt. 128 miles cost 812,80, what must be paid for the carriage of 4cwt. 32 miles ? Ans. gl,60cts. 10. If 6 men build a wall 20 feet long, 6 feet high, and 4 feet thick, in 1 6 days ; in what time will 24 men build one 200 feet long, 8 feet high and 6 feet thick ? Ans. 80...




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