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marissa [1.9K]
3 years ago
6

Luna and Pat spent 20 1/4 hours making pins. It took them 2 1/2 times as long to sell the pins. How many hours did they spend se

lling pins? (write your answer as a mixed number)
Mathematics
1 answer:
Andreas93 [3]3 years ago
4 0

Answer: 20 1/4 × 2 1/2 multiply fractions

81/4×5/2 convert to fractions

405/8 then turn to mixed number

50 5/8

Step-by-step explanation:

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cestrela7 [59]
Okay, let's add the two x values.
10x + 75 = 5x = 110
15x + 75 = 110

Now let's minus 75 from each side.
15x = 35

Now let's divide each side by 15.
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Answer:

<h2>x =  -  \frac{17}{4}</h2>

Step-by-step explanation:

6x + 3(4x - 2) = 5(2x - 8)

Expand the terms in the bracket and simplify

That's

6x + 12x  - 6 = 10x - 40 \\ 18x - 6 = 10x - 40

Using the subtraction property subtract 10x from both sides of the equation

18x - 10x - 6 = 10x - 10x - 40 \\ 8x - 6 =  - 40

<u>Add 6 to both sides of the equation</u>

8x + 6 - 6 =  - 40 + 6 \\ 8x =  - 34

<u>Divide both sides by 8</u>

\frac{8x}{8}  =  -  \frac{34}{8}

<u>Reduce the fraction with 2</u>

We have the final answer as

x =  -  \frac{17}{4}

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