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3 years ago

295 + 39x = 350 - 33x solve for x and show work

Mathematics

2 answers:

Katarina [22]3 years ago

7 0

Answer:

$x=\frac{55}{72}$

Step-by-step explanation:

$295+39x=350-33x$

Subtract 295 from both sides:

$39x=-33x+55$

Add 33x to both sides:

$72x=55$

Divide both sides by 72:

$x=\frac{55}{72}$

Misha Larkins [42]3 years ago

6 0

Question
295+39x=350-33x

Answer
295+39x=350-33x
295+39x+33x=350
39x+33x=350-295
72x=350-295
72x=55
X= 55/72

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150 parents were surveyed. 26% said that the kids were noddy and 70% said their kids were nice. How many parents didn't answer w

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Answer:

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Step-by-step explanation:

Given:

150 parents were surveyed. 26% said that the kids were naughty and 70% said their kids were nice.

Now, to find parents who didn't answer with either naughty and nice.

So, as given in question:

70% said that their kids are naughty.

26% said that their kids are nice.

So, to get the percentage of parents who didn't answer we subtract.

Thus, the percentage of parents who didn't answer with either naughty and nice:

100% - (70% + 26%)

100% - 96% = 4%.

Hence, 4% of parents didn't answer.

Now, to get how many parents didn't answer we calculate the percentage of the total who didn't answer:

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Parents who didn't answer = 4% of the total parents surveyed.

$Parents\ who\ didn't\ answer = 4\% of 150.$

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