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Andrew [12]
3 years ago
10

40% of ? =240 can anybody slove it​

Mathematics
2 answers:
Sav [38]3 years ago
7 0

I am not sure about the answer.

vovangra [49]3 years ago
5 0

Answer: 600

Step-by-step explanation: Let's first rewrite this problem to say 40% of what number is 240.

To answer the question 40% of what number is 240, we translate the question into an equation. First we have 40% which we need to write as a decimal. To write 40% as a decimal, we move the decimal point 2 places to the left. Filling in the missing position with a zero, we get 0<em>.</em>4.

Next we have "of what number" which means times <em>x</em>, "is 240" equals 240.

Now we have the equation (0.40)(x) = 240.

Now to solve for <em>x</em>, since <em>x</em> is being multiplied by 0.40, we need to divide by 0.40 on both sides of the equation. On the left side of the equation the 0.40's cancel and we have <em>x</em>. On the right side of the equation we have 240 divided by 0.40 which is 600.

This means that x = 600.

This means that 40% of 600 is 250.

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424 cm²

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A farmer has a truckload of watermelons to take to market. At the beginning of the trip, the watermelons weigh 1000 kg. 99% of t
Mariulka [41]

Answer:

The weight of watermelon at the end of the trip is <u>500 kg.</u>

Step-by-step explanation:

Given:

The weight of watermelons is 1000kg.

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99% of 1000kg

\frac{99}{100}\times 1000

=0.99\times 1000

= 990 kg

Now, at the end of the trip it is 98% of weight. So, let x kg of water has been evaporated. So, remaining weight of the watermelon is 1000-x.

If x kg of water is removed, then the amount of water left is 990-x.

As per question, water now weighs 98% of the total weight. So,

98% of (1000-x) = 990-x

\frac{98}{100}\times (1000-x)=990-x

980-0.98x=990-x

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0.02x=10\\x=\frac{10}{0.02}=500\ kg

Therefore, the weight of watermelon at the end of the trip is given as:

Weight = 1000 - x = 1000 - 500 = 500 kg

Therefore, the watermelon weighs 500 kg at the end of trip.

7 0
3 years ago
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