A gold coin weigh 20 grams. If the coin contains gold,copper and tin and in the ratio 4:3:1 how much gold is there in the coin ? Explain ???????

Answers

Answer 1

Answer:

If gold coin weigh 20 grams. If the coin contains gold,copper and tin and in the ratio 4:3:1 then 10gm of gold is present in coin.

What is Ratio?

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.

Given,

A gold coin weigh 20 grams

the coin contains gold, copper and tin and in the ratio 4:3:1

We need to find the amount of gold in the coin.

Now let us add the ratio.

4x+3x+x=20

8x=20

Divide both sides by 8.

x=2.5

The amount of gold in coin is 4x.

4(2.5)=10 gm

Hence, 10 gm of gold is present in 20 grams of coin.

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Answer 2

Answer: 4 + 3 + 1 = 8
20 ÷ 8 = 2.5

since the ratio is 4:3:1 and gold being 4
4 × 2.5 =

10
10 grams

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Step-by-step explanation:

Write each quotient in words.
1. 36 hundredths divided 9 tenths
Idk how to do that

Answers

Answer:

The quotient is four tenths.

Step-by-step explanation:

Let's divide 36 hundredths into 9 tenths:

0.36/0.9 = 0.4

The quotient is four tenths.

jamal finished 5/6 of his homework .margaret finished 3/4 and steve finised 10/12 of his homeowrk. which 2 students finished the same amount of homework

Answers

Jamal and Steve finished the same amount of homework because 5/6 is the same as 10/12

Suppose you go shopping for a new futon bed for your room. The model you really like happens to be on sale for $425. It's original price is $500. What percent of the original price will you save if you purchase it?

Answers

Answer:

Step-by-step explanation:

What you are asking is to fill in the blank in the following sentence.

_______ % off this imported futon.

Solution

500 x/100 = 425 Divide the left by 100

5x = 425 Divide both sides by 5

5x/5 = 425/5 Simplify

x = 85

That is not the answer. That is the % paid.

The reduction is 100% - 85% = 15%

So your blank would contain 15%

Check

15% of 500 = 15/100 * 500 = 75 which is what they the store is offering you off.

tamara and her mother plan to put a stone path and their garden each stone is 2/3 foot long they plan to use 7 stones that will be touching how long is the path write an equation to solve a problem explain your reasoning

Answers

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Ok, so each stone is 2/3 ft long and there are 7 of them. If we let path = P, then...

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What is 152,909 rounded to the nearest hundred thousands

Answers

152,909 rounded to the nearest hundred thousands is 200,000.

Rules of rounding numbers
1) if the number being rounded off is followed by 0, 1, 2, 3, and 4, round the number down.
2) if the number being rounded off is followed by 5, 6, 7, 8, and 9, round the number down.

1 is the number on the hundred thousands place. It is followed by 5. We round 1 up to 2. Thus 2 is now in the hundred thousands place.

The answer is 200,000 because when you have 5-9 in the place value next to what your rounding to you go up a number in the place your rounding in and all the rest of the numbers behind the place value that your rounding in.

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