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3 years ago

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The sum of Sally and Beth's age is 60. Six years ago, Sally was 3 times as old as Beth. What are their present ages?

2 answers:

Thepotemich [5.8K]3 years ago

4 0

Sally is 45 and Beth is 15.

45 + 15 = 60

15*3 = 45

pav-90 [236]3 years ago

3 0

Answer: Present age of Beth is 24 years.

And Present age of Sally becomes 36 years.

Step-by-step explanation:

Let the present age of Beth be 'x'.

Six years ago,

Age of Beth becomes (x-6) years

Age of Sally becomes

$3(x-6)\ yrs$

Sum of Sally and Beth's age = 60

According to question, it becomes

$x-6+3(x-6)=60+6+6\\\\x-6+3x-18=72\\\\4x-24=72\\\\4x=72+24\\\\4x=96\\\\x=\frac{96}{4}=24\ yrs$

So, Present age of Beth is 24 years.

And Present age of Sally becomes 60-24=36 years.

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Assuming the following options:

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Mariulka [41]

Answer:

$A = 74.7^\circ$

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Step-by-step explanation:

Given

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$B = (2,8) \to (x_2,y_2)$

$C = (4,1) \to (x_3,y_3)$

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The measure of each angle

First, we calculate the length of the three sides of the triangle.

This is calculated using distance formula

$d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2$

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