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A certain person has two silver cups, and only one cover for both. The first cup weighs 12 oz. If the first cup be covered it weighs twice as much as the other cup, but if the second be covered it weighs three times as much as the first.
An Introduction to Algebra Upon the Inductive Method of Instruction - Page 36
by Warren Colburn - 1828 - 276 pages

## Arithmetic: Being a Sequel to First Lessons in Arithmetic

Warren Colburn - Arithmetic - 1824 - 292 pages
...A and B both. What are the ages of B and C ? 167. A person has two silver cups and only one cover. The first cup weighs 12 oz. If the first cup be covered, it will weigh twice as much as the second, but if the second cup be covered, it will weigh three times...

## An Introduction to Algebra Upon the Inductive Method of Instruction

Warren Colburn - Algebra - 1825 - 372 pages
...were \$0.06839 per Ib., the fore quarters \$0.06339. A paid \$10.805, B \$1 1.147, C \$10.546, D \$10.859. 7. A certain person has two silver cups, and only...weighs twice as much as the other cup, but if the second be covered it weighs three times as much as the first. What is the weight of the cover and of...

## An Elementary Treatise on Arithmetic: Taken Principally from the Arithmetic of

Silvestre François Lacroix - Arithmetic - 1825 - 394 pages
...Three nuts cost 18 liards, and four cost 6 sous ; wherefore each cost 6 liards. 519. Question XVIII. A certain person has two silver cups, and only one cover for both. The first cup weighs 12 ounces, and if the cover be put on it, it weighs twice as much as the other cup ; but if the other...

## An Elementary Treatise on Arithmetic: Taken Principally from the Arithmetic of

Silvestre François Lacroix - Arithmetic - 1825 - 404 pages
...Three nuts cost 18 liards, and four cost 6 sous ; wherefore each cost 6 liards. 519. Question XVIII. A certain person has two silver cups, and only one cover for both. The first cup weighs 12 ounces, and if the cover be put on it, it weighs twice as much as the other cup ; but if the other...

## An Introduction to Algebra Upon the Inductive Method of Instruction

Warren Colburn - Algebra - 1826 - 290 pages
...fore quarters. A and B had the hind quarters, C and D the fore quarters. A's quarter weighed 158 Ib., B's 163 lb., C's 167 lb., and D's 165 Ib. What was...weighs twice as much as the other cup, but if the second be covered it weighs three times as much as the first. What is the weight of the cover, and...

## An Introduction to Algebra Upon the Inductive Method of Instruction

Warren Colburn - Algebra - 1828 - 276 pages
...the fore quarters. A and B had the hind quarters, C and D the fore quarters* A's quarter weighed 158 lb., B's 163 lb., C's 167 lb., and D's 165 Ib. What...weighs twice as much as the other cup, but if the second be covered it weighs three times as much as the first. What is the weight of the cover, and...

## An Introduction to Algebra Upon the Inductive Method of Instruction

Warren Colburn - Algebra - 1828 - 286 pages
...the lore quarters. A and B had the hind quarters, C and D the fore quarters. A's quarter weighed 158 lb., B's 163 lb., C's 167 lb,, and D's 165 Ib. What...both. The first cup weighs 12 oz. If the first cup be coLet x = weight of the cover. Then 12 -f- x = weight of the first cup covered. And 6 -}-—= weight...

## Arithmetic Upon the Inductive Method of Instruction ...: Stereotyped at the ...

Warren Colburn - 1829 - 258 pages
...A and B both. What are the ages of B and C ? 167. A person has two silver cups and only one cover. The first cup weighs 12 oz. If the first cup be covered, il will weigh twice as much as the second, but if the second cup be covered, it will weigh three times...