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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?

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解答

Sehlolohasason,Louis.HerearesomefactsabouthowoldSehloloandLouisare:Sehlolois5timesasoldasLouisrightnow.10yearsfromnow,Sehlolowillbe3timesasoldasLouis.HowoldareSehloloandLouisnow?

解答

Louis′sageis:10
Sehlolo′sageis:50
求解步骤
Translate the problem into an equation:5x+10=3(x+10)
求解 x,5x+10=3(x+10):x=10
找到 age
Louis′sageis:10
Sehlolo′sageis:50

流行的例子

5 times a number minus 7 is equal to 3 times the number plus 25. Find the numberLiz 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 3If 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.One number is 24 more than the other. If the first number's 5/32 is equivalent to the second number's 3/16 then find each numbers.
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