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Shkiper50 [21]
3 years ago
11

At first, you have 15 bottles of coke, and you drink 2 bottles each day. After a certain number of days, there are 3 bottles lef

t. Write and solve an equation for, d, when there are 3 bottles left?
Mathematics
1 answer:
julia-pushkina [17]3 years ago
4 0

Answer:

After 6 days, 3 bottles will be left.

Step-by-step explanation:

Given that:

Number of bottles = 15

Number of bottles drank each day = 2

Let,

d be the number of days

y be the number of bottles left

y = 15 - 2d

Now,

We have to find the number of days when 3 bottles will be left.

Putting y=3

3 = 15 - 2d

2d = 15 - 3

2d = 12

Dividing both sides by 2

\frac{2d}{2}=\frac{12}{2}\\d=6

Hence,

After 6 days, 3 bottles will be left.

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Answer:

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Step-by-step explanation:

We have been given that during the mayoral election,two debates were held between the candidates. The first debate lasted 1 2/3 hours. The second one was 1 4/5 times as long as the first one.

Let us find the estimate of time spent on 2nd debate.

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First of all, we will convert mixed fractions into improper fractions as:

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Now, we will multiply both fractions as:

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Step-by-step explanation:

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