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Sagot :
[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]
[tex]\texttt {\:Thomas's age = 44 years } [/tex]
[tex]\texttt {\:Hulian's age = 36 years } [/tex]
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[tex] \large \tt Solution \: : [/tex]
[tex] \textsf{Assume Thomas's age be ' x ' } [/tex]
[tex] \textsf{and that of Huilan's age be y } [/tex]
[tex] \texttt{we have two conditions :} [/tex]
[tex]\qquad \tt \rightarrow \:y = x + 8[/tex]
it can be simplified as : -
[tex]\qquad \tt \rightarrow \:y - x= 8 \: \: \: \: \: \: \: \: \: - (1)[/tex]
[tex] \texttt{Next condition } [/tex]
[tex]\qquad \tt \rightarrow \:x + y = 80 \: \: \: \: \: \: \: - (2)[/tex]
`` Add both equations ``
[tex]\qquad \tt \rightarrow \:y - x + x + y = 8 + 80[/tex]
[tex]\qquad \tt \rightarrow \:2y = 88[/tex]
[tex]\qquad \tt \rightarrow \:y = 44[/tex]
[tex] \large \textsf{For x :} [/tex]
[tex]\qquad \tt \rightarrow \:y - x = 8[/tex]
[tex]\qquad \tt \rightarrow \:44 - x = 8[/tex]
[tex]\qquad \tt \rightarrow \:x = 44 - 8[/tex]
[tex]\qquad \tt \rightarrow \:x = 36[/tex]
Answered by : ❝ AǫᴜᴀWɪᴢ ❞
Answer:
[tex]\fbox {36 years old}[/tex]
Step-by-step explanation:
Let :
⇒ Age of Huilan = x
⇒ Age of Thomas = x - 8
Then :
⇒ x + x - 8 = 80
⇒ 2x = 88
⇒ x = 44
Thomas's age :
⇒ x - 8
⇒ 44 - 8
⇒ 36 years old
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