Question

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求解答！！！

生

5

 

茲班舉行聖誕聯眶會,其中茲位舉生

 

es昌                 員人+
$20,最後一共收得 $218。若該班只有
有有多少位學生?

$6 而班主任則付
位班主任,問該班

 

Each Student in aclass pays $6 to buy food fora Christmas
party and the class teacher payS $20 Atotal sum Qf $218 is
colleeted. Ithere is only one class teacherin the class, how
many students are there in the class?              只

 

  

現時,父親比兒子大 27 戲。一年後,他們的歲數總和是 49

  

 

    

A father is 27 years older than the son. One year later, the sum
oftheir ageS will be 49.
(a) 若果兒子現時為x歲,那麼兒子

years old now, then the age ofthe son one

  
                                                                                                                                                                                                                                                                  

後的歲數是:
IFthe son is
year later 1S:

  

 

(b) 由此,利用方程,求父親和兒子 現時的歲數
Hence, using equation, find the present ages of the father
and the son,

 

P2.4

改正

Corrections

Answer 1

Guest

Hope you can understand