 | David Bates Tower - Algebra - 1845 - 228 pages
...seventeen cents, and found that two pears cost four cents less than two peaches. What did one of each coat? 15. There are two numbers, such that, if three times...seven times Anna's. What are their respective ages ? and four times the less is twelve. What are the numbers ? 18. A market-man sold three melons and... | |
 | Edward Olney - 1878 - 258 pages
...the same rate, seven sheep and a cow for thirty-four dollars. AVhat was the price of one of each ? 7. If three times Anna's age be added to three times Mary's age, the sum will be thirty- three years ; and three times Mary's age is thirty-seven years less than seven times Anna's.... | |
 | Edward Olney - 1880 - 260 pages
...at the same rate, seven sheep and a cow for thirty-four dollars. What was the price of one of each? Mary's age, the sum will be thirty-three years ; and...seven times Anna's. What are their respective ages ? 8. A certain number, consisting of two places of figures, is equal to seven times the sum of its... | |
 | Edward Olney - Algebra - 1881 - 254 pages
...at the same rate, seven sheep and a cow for thirty-four dollars. What was the price of one of each? Mary's age, the sum will be thirty-three years ; and...seven times Anna's. What are their respective ages? 8. A certain number, consisting of two places of figures, is equal to seven times the sum of its digits,... | |
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What did one of each coat? 15. There are two numbers, such that, if three times the greater be added to three times the less, the sum will be twenty-one ; and if three times the less be taken from five times the greater, the remainder will be nineteen.... 