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3 years ago

20 people paid 20 per person for food and only 30% was used how much money is left over

Mathematics

1 answer:

Alexxandr [17]3 years ago

7 0

Answer:

280

Step-by-step explanation:

First determine how much was paid for food

20 dollars times 20 people

20*20 = 400

We used 30% of that

400 *30%

Change to decimal form

400 *.30

120 was used

How much was left

400-120 = 280

280 was left

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Step-by-step explanation:

<u><em>The complete question is</em></u>

Part 1) The volume of the pyramid shown in the figure is 9,15,21, or 63 cubic centimeters?. Part 2) If the slant height of the pyramid increases by 4 centimeters and its height increases by 2 centimeters, the volume of the pyramid increases by 6,9,12 or 21 cubic centimeters?

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