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dmitriy555 [2]
3 years ago
7

Jim was thinking of a number. Jim doubles it, then adds 19 to get an answer of 70.1. What was the original number?

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0

Answer:

25.55

Step-by-step explanation:

Let us take the number he thinked of be x .

<u>On </u><u>doubling</u><u> </u><u>it </u><u>:</u><u>-</u><u> </u>

→ N = 2x

<u>On </u><u>adding</u><u> </u><u>1</u><u>9</u><u> </u><u>:</u><u>-</u><u> </u>

→ N = 2x + 19

<u>According</u><u> to</u><u> Question</u><u> </u><u>:</u><u>-</u><u> </u>

→ 2x + 19 = 70.1

→ 2x = 70.1 - 19

→ 2x = 51.1

→ x = 51.1/2

→ x = 25.55

<h3>Hence the required answer is 25.55</h3>
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1.5.5 Practice: Modeling: Best Ticket Deal
posledela

The best ticket deal are illustrations of linear equations

The ticket system is a better deal to the max ticket

<h3>How to determine the best ticket deal</h3>

From the complete question, we have the following summary:

  • <u>Ticket System</u>

Charges = $22 per person

Surcharge = $10 per transaction

  • <u>Max Tickets</u>

Charges = $20 per person

Surcharge = $16 per transaction

Assume there would be only one transaction, the linear equations that represent the ticket deals are:

Ticket System: y = 22x + 10

Max Ticket: y = 20x + 16

The costs of ticket for two people in both deals are:

Ticket System: y = 22*2 + 10 = 54

Max Ticket: y = 20*2 + 16 = 56

By comparison;

54 is less than 56

This means that the ticket system is a better deal to the max ticket

Read more about linear equations at:

brainly.com/question/14323743

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Seth's balcony is 7 feet wide and 14 feet long. Seth paid $4.00 per square foot to have the
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A sector has angle 2.5 radians and perimeter of 18cm. find the radius of the sector
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Answer:

4 cm

Step-by-step explanation:

Perimeter = 18cm

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