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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

## The American Intellectual Arithmetic: Designed for the Use of Schools and ...

John Fair Stoddard - Arithmetic - 1860 - 180 pages
...many sheep has each, provided J of B's number is twice \$ of A'a number ? LESSON XIII. 1. A person had two silver cups, and only one cover for both. The first cup weighed 6 oz. If the first cup be covered, it will weigh twice as much as the second, but if the second...

## The Normal Written Arithmetic: By Analysis and Synthesis, Designed for ...

Edward Brooks - Arithmetic - 1863 - 346 pages
...much as the house and barn ; required the cost of each. Ans. House, \$4200; Store, \$1800. 4. A lady has two silver cups and only one cover for both ; the first cup weighs 20 ounces, and if the first cup be covered it will weigh 3 times as much as the second, but if the...

## The American Intellectual Arithmetic: Containing an Extensive Collection of ...

John Fair Stoddard - Arithmetic - 1866 - 184 pages
...many sheep has each, provided | of B.'s number is twice f of A.'s number ? LESSON L1X. A person had two silver cups, and only one cover for both. The first cup weighed 6 oz. If the first cup be covered, it will weigh twice as much as the second, but if the second...

## Practical Arithmetic, Embracing the Science of Numbers and the Art of ...

John Fair Stoddard - Arithmetic - 1868 - 430 pages
...each to do it, provided A does only § as much work as B ? Ans. A 30, and B 20 days. 54Y. 1. A lady has two silver cups and only one cover for both ; the first cup weighs 6 ounces. If the first cup be covered it will weigh twice as much as the second, and if the second...

## Stoddard's Complete Arithmetic: Being the New Practical Arithmetic of the ...

John Fair Stoddard - Arithmetic - 1888 - 480 pages
...how long will it take each to do it, provided A does only § as much work as B ? Ans. 737. 1. A lady has two silver cups and only one cover for both ; the first cup weighs 6 ounces. If the first cup be covered it will weigh twice as much as the second, and if the second...

## The New Normal Written Arithmetic: Designed for Common Schools, Normal ...

Edward Brooks - Arithmetic - 1877 - 438 pages
...much as the house and barn ; required the cost of each. Ans. House, \$4200 ; Store, \$1800. 4. A lady has two silver cups and only one cover for both ; the first cup weighs 20 ounces, and if the first cup be covered it will weigh 3 times as much as the second, but if the...

## Key and Manual to The Normal Union Arithmetic: And Also Methods of Teaching ...

Edward Brooks - Arithmetic - 1878 - 298 pages
...would have cost \$20700; how many did he buy? Ans. 90. CASK X. Cup and Cover Problems. 1. A person has 2 silver cups, and only one cover for both. The first cup weighs 12 ounces. If the first cup be covered, it will weigh twice as much as the second, but if the second cup...

## The American Intellectual Arithmetic: Designed for the Use of Schools and ...

John Fair Stoddard - 1866 - 186 pages
...many sheep has each, provided | of B.'s number is twice § of A.'s number ? LESSON LIX. A person had two silver cups, and only one cover for both. The first cup weighed 6 oz. If the first cup be covered, it will weigh twice as much as the oecond, but if the second...