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dalvyx [7]
1 year ago
6

The cost of 18 pens is Rs. 150 . Find the cost of 66 such pen

Mathematics
2 answers:
KatRina [158]1 year ago
8 0

Answer: Rs. 550

Step-by-step explanation:

18 pens - 150

1 pen - 150/18 = 8.33333333

66 pens = 66 x 8.33333333

Therefore , 66 pens cos Rs. 550

Korvikt [17]1 year ago
4 0
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Answer:

The equation for the price, as a function of time in hours is:

P(x) = 20*x    for 0 ≤ x ≤ 2

P(x) = 40 + 10*(x - 2)  for  2 ≤ x

Now, we want to evaluate this function in 40 mins.

we know that 1 hour = 60mins.

Then 40 mins = (40/60) hours = 0.67 hours.

Then we input this in our function, and because this is smaller than 2, we use the first piece of our function:

P(0.67) = 20*0.67 = 13.4

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What is the word form of 34/100
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34/100
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Stanley has a collection of seashells. He found 35% of his collection on Florida beaches. If Stanley has 49 seashells from Flori
m_a_m_a [10]

Answer:

The number of seashells he have in his collection all together is <u>140</u>.

Step-by-step explanation:

Given:

Stanley has a collection of seashells. He found 35% of his collection on Florida beaches.

Stanley has 49 seashells from Florida.

Now, to find the number of seashells of his collection altogether.

Let the number of seashells all together be x.

Percentage of seashells found on Florida beaches = 35%.

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Now, to get the number of seashells altogether we put an equation:

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