SHS Grade 8 Factoring (pahelp wag grind pts pls ty)
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SHS Grade 8 Factoring (pahelp wag grind pts pls ty)
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"Age's Problem"
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Problem:
Gina is 4 years old than Joshua. Two years ago, the product of their ages is thrice the age of Joshua now. How old are they?
Solution:
Your problem → Gina is 4 years old than Joshua. Two years ago, the product of their ages is thrice the age of Joshua now. How old are they?
At present, Gina is 3 times as old as Joshua.
Let Joshua.'s age = x.
Then, let Gina's age = 3x.
4 years hence, product of Gina's age and Joshua.'s age will be 2
4 years hence, their ages be 3x+4 and x+4
Translate the word problem into symbol.
Then solve the problem.
Using quadratic formula, we get
Then let's round.
Answer:
Therefore, Gina's present age is -3.3069 years and Joshua's present age is 1.1032 years.
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The age of Gina at present is 12 and joshua is 6