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Elan Coil [88]
3 years ago
9

How do u solve 13 5/9 - 8 1/6?

Mathematics
2 answers:
Alchen [17]3 years ago
7 0
13 5/9 - 8 1/6
= [ (13 * 9) + 5)/9 ] - [ (8*6)+1)/6 ]
= 122/9 - 49/6
= 122*6 - (49*9) / (9*6)
= ( 732 - 441 ) / 54
<span>= 5.389</span>
lianna [129]3 years ago
6 0
An easy way to solve this problem is by finding the same denominators for both of the fractions. You can do this by multiplying 9 times 6 equals 54 and what you do to the bottom you must do to the top. So 5×6=30 and 1×9=9 13 30/54- 8 9/54 = 5 21/54 and then if you can simplify you do.
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We have a jar of coins, all pennies and dimes. All together, we have 309 coins, and the total value of all coins in the jar is $
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There are 130 pennies in the jar

Step-by-step explanation:

We have a jar of coins

  • All coins are pennies and dimes
  • There are 309 coins in the jar
  • The total value of all coins in the jar is $ 19.2

We need to find the number of pennies in the jar

Assume that there are p pennies and d dimes in the jar

∵ There are p pennies and d dimes in the jar

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∵ All the coins in the jar are pennies and dimes

∴ p + d = 309 ⇒ (1)

∵ The total value of all coins in the jar is $ 19.2

∵ $1 = 100 cents

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Now we have system of equations, we can solve them to find p

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∵ p + 10 d = 1920 ⇒ (2)

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∵ (-10)(p) + (-10)(d) = (-10)(309)

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Learn more:

You can learn more about the system of equations in brainly.com/question/3739260

#LearnwithBrainly

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Have an amazing day :)
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