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Bond [772]
2 years ago
12

David buys 2 gallons of gas that costs d dollars per gallon. Write an

Mathematics
1 answer:
Irina18 [472]2 years ago
8 0

Answer:

  2d

Step-by-step explanation:

The amount David pays will be the product of the number of gallons (2) and the cost per gallon (d).

 2d . . . . amount David pays for gas

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What is 20/25 as a percentage
timurjin [86]
Hey there! 
Let solve this problem step by step :)

1. Convert 20/25 into a decimal. In order to do this, you will need to divide the numerator (the top part of the fraction) with the denominator (the bottom part of the fraction). 

So, \frac{20}{25} as a decimal would be 0.8. (We divide 20 by 25)

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yan [13]

9514 1404 393

Answer:

  C: 2 and 3 only.

Step-by-step explanation:

We know the sum or difference of two odd numbers is even, eliminating choices (1) and (4).

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__

Let x/y = k, where x and y are both odd. Then x = ky. If k is even, then x is even, a contradiction. So, k must be odd. The integer ratio of two odd numbers is odd, so (3) is one of the true statements.

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