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3 years ago

9

A kid goes to the store, buying 15 candy bars, comes back out of the store. He saw 4 of his friends. He gives candy bars, but ho

w much candy bars does he gives to his friends?

1 answer:

kakasveta [241]3 years ago

6 0

Answer:

he gave 3.75 to his friend in dividing

if it is adding it will be 4, hope this helps

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Radium 226, which had been used for cancer treatment, decays with a half-life of 1622 years. suppose there is a 6 gram sample of

sveticcg [70]

This is a relatively simple half life calculation.
To go from 6 to 3 grams, 1622 years is required.
3 to 1.5 grams another 1622 years is required.
So, it undergoes exactly 2 half-lives or 3,244 years.
To see more about half-life click here:
http://www.1728.org/halflife.htm

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A DVD was priced at $2.87 last week. This week the same DVD is priced at $10.59. What is the percent increase in price?

solniwko [45]

Answer:

Percentage increase = 269%

Step-by-step explanation:

Price of a DVD last week = $2.87

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Increase in the price of DVD between last week and this week = 10.59 - 2.87

= $7.72

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LUCKY_DIMON [66]

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Find the percent of tip:

r-ruslan [8.4K]

The answer is 14%

Cost of meal is 100%: $18.50 is 100%
Tip is x%: $2.59 is x

Make a proportion:
$18.50 : 100% = $2.59 : x
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