3 years ago

A brother is 3 years older than his sister. Five years ago, the ratio of their ages was 4 : 3. Find the boy age.

1 answer:

5 0

17 years old
12:9
12 + 5 is 17

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KonstantinChe [14]

Simply cross multiply the proportion of
6/27= x/81 do 6•81 divided my 27 for your answer which is 18

3 0

4 years ago

Dovator [93]

Answer:

Step-by-step explanation:

new price = original price + increase

new price = 20 + 20*10%

Change to decimal form

= 20 +20*.10

= 20 +2

=22

4 0

3 years ago

NeX [460]

There will be 26 squares

You add 20+6=26

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3 years ago

inn [45]

The answer would be...

410+x=946

8 0

3 years ago

In-s [12.5K]

Answer: 100/400

<u>Step-by-step explanation:</u>

$\begin{array}{l|c|c|c}&Liquid&Not\ Liquid&Total\\ Bar&200&100&300\\Not\ Bar&80&20&100\\Total&280&120&400\end{array}$

$\dfrac{Not\ Bar:Total}{Total:Total}\quad =\dfrac{100}{400}$

4 0

3 years ago