3 years ago

87 hundredths as a decimal

Mathematics

2 answers:

katrin [286]3 years ago

3 0

.87 is the answer you're looking for<span />

stepladder [879]3 years ago

3 0

Ans: 0.87

See it ?
87/100

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How can you find the equation?

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3 years ago

A first alloy contains x pounds of 55% silver. It is mixed with a second alloy containing 30% silver to make 60 pounds of an all

Ann [662]

Answer:

"24 pounds" is the appropriate answer.

Step-by-step explanation:

According to the question, the equation will be:

⇒ $x+y=60$ ...(equation 1)

or,

⇒ $\frac{55}{100}x+\frac{30}{100}y=\frac{40}{100}\times 60$

$55x+30y=2400$ ...(equation 2)

Now,

By multiplying (equation 1) by 55 and (equation 2) by 1, we get

⇒ $55x+55y=3300$ ...(equation 3)

⇒ $55x+30y=2400$ ...(equation 4)

From equation 3 and 4, we get

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$y=\frac{900}{25}$

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By putting the values of "y" in equation 1, we get

⇒ $x=60-36$

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Thus the value of x be "24 pounds".

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3 years ago

A) 10<br>B) 15<br>C) 25<br>D) 40

dsp73

Answer:

A)40 I hope the answer is correct . I will be happy when I get 5 point

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