MATHS快
2017/06/21 02:55
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4.16 years later,Gavin will be twice as old as he was 12 years ago.Find his present age. 5.The difference between the present ages of Mr.Chan and his son is 32. 6 years later ,theirtotal age will be 50. How old is Mr. Chan's son now?
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其他解答:
4..16 years later,Gavin will be twice as old as he was 12 years ago.Find his present age. answer: x=Gavin 's age. x+16=12x2 x=24-16 x=8 Gavin is 8 years old now. 5..The difference between the present ages of Mr.Chan and his son is 32. 6 years lat er ,their total age will be 50. How old is Mr. Chan's son now? answer:x=mr.chan 's son age. x+x+32.6=50 2x=50-32.6 2x=17.4 x=8.7 8.7=Mr.chan 's son age.
MATHS快
發問:
4.16 years later,Gavin will be twice as old as he was 12 years ago.Find his present age. 5.The difference between the present ages of Mr.Chan and his son is 32. 6 years later ,theirtotal age will be 50. How old is Mr. Chan's son now?
最佳解答:
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4.16 years later,Gavin will be twice as old as he was 12 years ago.Find his present age. let x be the present age x+16=2(x-12) x+16=2x-24 x=40 his present age is 40 5.The difference between the present ages of Mr.Chan and his son is 32. 6 years later ,theirtotal age will be 50. How old is Mr. Chan's son now? let x be the age of his son now,(x+32)=the age of father (x+6)+(x+32+6)=50 2x+44=50 x=3 the son is 3 years old now其他解答:
4..16 years later,Gavin will be twice as old as he was 12 years ago.Find his present age. answer: x=Gavin 's age. x+16=12x2 x=24-16 x=8 Gavin is 8 years old now. 5..The difference between the present ages of Mr.Chan and his son is 32. 6 years lat er ,their total age will be 50. How old is Mr. Chan's son now? answer:x=mr.chan 's son age. x+x+32.6=50 2x=50-32.6 2x=17.4 x=8.7 8.7=Mr.chan 's son age.
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