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elena-14-01-66 [18.8K]
3 years ago
10

The amount of time it takes Heather to cook dinner is directly proportional to the number of ingredients involved. If it takes h

er t minutes to cook dinner when there are n ingredients involved how long does it take her to cook dinner when there are 15 ingredients involved?
Mathematics
2 answers:
Lemur [1.5K]3 years ago
6 0
15 minutes!

Since the ratio is 1 : 1, for every one ingredient it will take her one minute. 15 ingredients = 15 minutes.

Hope that helped!

:D®

P.S. I wonder what she's cooking.
Vlada [557]3 years ago
4 0

Answer:

\frac{15t}{n}\text{ minutes}

Step-by-step explanation:

Given,

Time taken to cook dinner with n ingredients = t minutes.

i.e. n ingredients = t minutes,

⇒ 1 ingredient = \frac{t}{n} minutes,

⇒ 15 ingredients = \frac{15t}{n} minutes,

Hence, it will take \frac{15t}{n} minutes to cook dinner when there are 15 ingredients involved.

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James asks 60 pupils which drink they liked best from cola milk and water 32 boys were in the survey 12 of the boys said they li
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Answer:

Students altogether liked cola the best 26

Step-by-step explanation:

Total no of pupils = 60

Boys = 32

girls = 28

we will make a table

Gender         cola             milk               water       total

Boys             12                                         4              32

Girls                                                          9                28

we can find the missing numbers

Let x be for milk

In boys  12 + x + 4 = 32

                 x  = 16

In girls

          as 21 liked milk altogether

so girls = 21 - 16 = 5

Gender         cola             milk               water       total

Boys             12                 16                      4              32

Girls                                   5                      9                28

For cola let y

in girls

y + 5 + 9 = 28

y = 14

Gender         cola             milk               water       total

Boys             12                 16                      4              32

Girls              14                   5                      9            28

Altogether cola = 14 + 12 = 26

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Step-by-step explanation:

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