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פּוֹפּוּלָרִי Word Problems >

Audrey just measured her pet snake and found out that it is 99 inches long, which is 50% longer than the last time Audrey measured. How long was the pet snake last time?

פתרון

A u d rey j u s t m e a s u re d h er p e t s nak e an d f o u n d o u t t ha t i t i s 99 in c h es l o n g, w hi c h i s 50% l o n g er t han t h e l a s t t im e A u d rey m e a s u re d . Ho w l o n g w a s t h e p e t s nak e l a s t t im e ?

פתרון

Amount before addition : 66

צעדי פתרון

Translate the problem into an equation:

99 = x + 0.5 x

99 = x + 0.5 x : x = 66

Amount before addition : 66

דוגמאות פופולריות

Sehlolo has a son, Louis. Here are some facts about how old Sehlolo and Louis are:Sehlolo is 5 times as old as Louis right now.10 years from now, Sehlolo will be 3 times as old as Louis.How old are Sehlolo and Louis now?5 times a number minus 7 is equal to 3 times the number plus 25. Find the number Liz buys 5 more apples than oranges. Liz buys 7 oranges. How many apples does Liz buy?two times the sum of a number and 4 is 3 If a number is subtracted from five times its square, the result is eighteen. Find all such numbers.:If there is more than one answer, separate them with the "and" button.:If there is no such number, select the "None" button.