Mathematics, 05.07.2019 03:00 jflandersneongr
Grace gives her sister a riddle: i have number x. i add 15 to twice x to get result a. i subtract 4 from x to get result b. i multiply result b by 3 to get result c. result a is equal to result c. grace's sister said the riddle cannot be solved, but grace thought otherwise. who is right? explain
Answers: 1
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Grace gives her sister a riddle: i have number x. i add 15 to twice x to get result a. i subtract 4...
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