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butalik [34]
2 years ago
9

a contractor was paving a driveway he mixed 4/7 ton lf sand and 1/3 ton of concrete how much did the mixture weigh

Mathematics
1 answer:
NeTakaya2 years ago
8 0

Answer: 19/21

Step-by-step explanation: find the same multiple for both so you can combine them

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Step-by-step explanation:

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3 years ago
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What ratio is equivalent to 21/35
eimsori [14]
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2 years ago
a man has 25 coins in his pocket all of which are dimes and quarters. if the total value of his change is 430 cents, how many di
valentinak56 [21]

Answer:16 quarters and 3 dimes

Step-by-step explanation:

430/25 (Quarters) = 17

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7 0
3 years ago
The cost formula for a company can be modeled by C = 38 x + 19100 where x represents the number of items made. A formula for the
ruslelena [56]

Answer: The company must sold 382 units to break even.

Step-by-step explanation:

Hi, there is no question asked, so I suppose that  you need to  find the number of items (x) to break even.

To answer this question we have to equal both sides of the equations:

Since costs equal its income:

C=R

So:

38x +19100= 88x

Solving for x

19100= 88x-38x

19100=50x

19100/50 =x

382=x

The company must sold 382 units to break even.

Feel free to ask for more if needed or if you did not understand something.

3 0
3 years ago
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