cecilia is 24 years younger than Joe. six years ago she was hakf as old as he was. how old is each now?
1 answer:
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Answer:
x = 10
Step-by-step explanation:
First, distribute:
Next, subtract from both sides:
(multiply by 2 to get common denominator,
)
Next, subtract from both sides:
(multiply by 2 to get common denominator,
)
⇒
Next, multiply both sides by 10:
FInally, divide both sides by -1:
x = 10
Answer:
Randy is 48 years old
Sandy is 12 years old
Todd is 27 years old
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Step-by-step explanation:
Given
Represent their ages with the first letters of their names:
Required
Determine their individual ages
We'll solve the above equations using substitution method of simultaneous equations
Substitute 15 + S for T and 4 * S for R in
This gives:
Collect Like Terms
Divide through by 6
<em>This implies that Sandy is 12 years old</em>
Substitute 12 for S in and
<em>This implies that Randy is 48 years old and Todd is 27</em>