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EleoNora [17]
3 years ago
7

Bob the builder is making 480 kg of concrete mix

Mathematics
2 answers:
Marina CMI [18]3 years ago
6 0

Answer:

180 kg

Step-by-step explanation:

The ratio is

cement : sand : gravel

    1       :    3     :    4

If he used 1 kg cement, 3 kg sand, and 4 kg gravel, he'd get 8 kg of concrete.

He wants to make 480 kg of concrete.

480/8 = 60

He needs 60 times more concrete than the numbers in the ratio.

60 * 3 kg = 180 kg

Answer: 180 kg

svetoff [14.1K]3 years ago
4 0

Answer:

If sand is 3 in the ratio, it is 180kg

Step-by-step explanation:

480/8=60  60 times 3 is 180

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Read 2 more answers
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tatuchka [14]

Answer:

The radius of circle O is 8.5 Units

Step-by-step explanation:

Solution

The radius of a circle is refereed to as the  half of the diameter.

Now,

On how to figure out the length of AB, we apply the  Pythagorean's equation or formula which is given below

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3 years ago
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