3 years ago

Can you help me on question 28!!

1 answer:

8 0

The correct answer is B, because 65+0.20x140=93. You must multiply 0.20 times 140 first, and get 28 and than add 28+65=93.

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nalin [4]

Let s be the son's age 15 yeasr ago and m the mother's age that year.

$s = \dfrac{m}{3}$

We also know that:

$m = s+30$

Plotting vallues:

$s = \dfrac{m}{3}\\\\\\3s = s+30\\\\2s = 30\\\\s = 15\\\\m = 45$

Remember that they were that age 15 years ago.

So their actual age is 30 and 60.

8 0

3 years ago

mariarad [96]

I think 50 but idk
If I’m wrong sorry

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3 years ago

Ymorist [56]

A. 200

B is 80° which means AC = 160°
A circle always equals 360°
360-160= 200

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3 years ago

dybincka [34]

20 less then jennifer

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3 years ago

hammer [34]

Answer:

Yes that is correct

7 0

3 years ago