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lapo4ka [179]
3 years ago
8

Emily bought 5 notebooks, 10 pencils, 5 markers, and 2 rulers. Each notebook and each ruler cost $3. Each pencil cost $0.20 and

each marker cost $2. How much did Emily pay?​
Mathematics
1 answer:
bulgar [2K]3 years ago
4 0

Answer: 37$

Step-by-step explanation: So if u have 5 notebooks then the price is gonna be 3$ u want to multiply 3$ by 5 then u will get 15$ that is the answer for that one then if u do that same thing for rulers u will get 6$ then that is for that one now if u do the pencils there are 10 and they cost $1.20 so do that and u get 6$ so now if u do the the markers u will get 10$ now if u add them Altogether u will end up with 37$.

Hope this helped :)

~Zoey~

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Divid 15 into two parts such that the sum of their reciprocal is 3/10
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Let x and y be the 2 parts of 15 ==> x + y=15 (given)

Reciprocal of x and y ==> 1/x +1/y ==> 1/x + 1/y = 3/10 (given)


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Now we have the sum S of the 2 parts that is S = 15 and 
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A bag contains lettered tiles. the theoretical probability of choosing a vowel is 40%. the bag contains 78 consonants. how many
zepelin [54]

The total number of ties present in the bag are 130.

<h3>What is probability?</h3>

Calculating or estimating how likely something is to occur is what probability is all about. The likelihood of an event occurring can be expressed using words like "certain," "impossible," or "probable."

Formula for probability is -

Probability(Event) = Favourable Outcomes/Total Outcomes

It P(E) is the probability for occurring any event.

'x' be the favourable outcome.

'n' be the total outcome.

Then,

P(E) = x/n.

Calculation for the total tiles present the bag.

The probability of choosing a vowel is 40% = 0.4.

Then, the probability of choosing a consonants will be 1 - 0.4 = 0.6 or 60%.

Let P(E) be the probability of the occurrence of the consonants.

Then,

P(E) = total number of consonants/total tiles in the bag.

Let 'T' be the total tiles in the bag.

0.6 = 78/T

T = 78/0.6

T = 130

Therefore, the total tiles present in the bag are 130.

To know more about the probability, here

brainly.com/question/13604758

#SPJ4

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