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Hunter-Best [27]
3 years ago
13

One and one half times 1.5

Mathematics
2 answers:
arsen [322]3 years ago
8 0

Answer:

2.25

Step-by-step explanation:

1.5 x 1.5 = 2.25

Arada [10]3 years ago
4 0

Answer:

2.25

Step-by-step explanation:

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Given :  she must mix a solution of 67% herbicide with a solution of 46% herbicide to form 42 liters of a 55% solution.

To Find: How much of the 67% solution must she use?

Let x = amount of 67% solution needed

Then 42-x=amount of 46% solution needed

Now we know that the pure herbicide in the 67% solution

So, pure herbicide = (0.67x)

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Now 42 liters of a 55% solution = (0.46(42-x))

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Amount of 67% solution + Amount of 46% solution  = 42 liters of a 55% solution

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⇒x=\frac{3.78}{0.21}

⇒x = 18 liters

Hence she use 18 liters of the 67% solution

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