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stealth61 [152]

2 years ago

15

2x - 4 < 12 ???????????

2 answers:

Snezhnost [94]2 years ago

7 0

Answer: x < 8

Reason: I did some math

fiasKO [112]2 years ago

4 0

Answer:

x<8

Step-by-step explanation:

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During a 3 day street fair, 159 woman and 177 men attended. At that rate, how many more men than women will attend a 7 day stree

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step by step:

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Step-by-step explanation:

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Mark's dad is three times older than Mark. Mark's sister is 2 years younger than Mark. (3m) The sum of their ages is 48. How old

nataly862011 [7]

Answer:

Age of Mark $=10$ years

Age of Mark's dad $=30$ years

Age of Mark's sister $=8$ years

Step-by-step explanation:

Let age of Mark be $x$ years.

Mark's dad is three times older than Mark

Age of her Mark's dad $=3x$

Mark's sister is 2 years younger than Mark

Age of Mark's sister $=(x-2)$ years

The sum of their ages is 48.

$x+3x+x-2=48\\5x-2=48\\5x=50\\x=10$

Age of Mark $=x=10$ years

Age of Mark's dad $=3x=3(10)=30$ years

Age of Mark's sister $=x-2=10-2=8$ years

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