01·I am thinking of a number. Twice the number plus 3 equals 11. What is the number?
02·Three friends split 17 apples so that one gets 3 more than the second, and the second gets 3 more than the third. How many apples does the middle friend get?
03·A father is three times as old as his son. In 12 years the father will be twice as old as the son. How old is the son now?
04·You have some coins: dimes and quarters. Together they total $1.05 and there are 5 coins in all. How many quarters are there?
05·A number decreased by its one-fifth equals 48. What is the number?
06·Two numbers multiply to 36 and their difference is 5. What is the larger number?
07·A farmer buys a total of 100 animals (chickens and cows). The total number of legs is 260. How many cows did he buy?
08·A commuter travels to work: each day she increases her speed so that the trip takes 10 minutes less and her speed increases by 20%. If the original travel time was T, what is T in minutes? (Assume time and speed inversely proportional and produce an integer.)
09·The product of three consecutive integers is 120. What is the middle integer?
10·A number plus twice itself equals 45. What is the number?
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