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3 years ago

PLZ HELP, WILL GIVE BRAINLIEST!!!

Mathematics

1 answer:

valentinak56 [21]3 years ago

6 0

Answer:

Senior Ticket: $4 Child Ticket: $7

Step-by-step explanation:

We can form two equations, let the price of a senior ticket be s and the price of a child ticket be c.

We have from day 1:

A: 3s + 9c = 75

And from day 2:

B: 8s + 5c = 67

Now we can rewrite A as:

A: 24s + 72c = 600

And can rewrite B as:

B: 24s + 15c = 201

Now A-B can be written as:

A-B: 57c = 399

So c = 7

Now substituting this back into A we get:

A: 3s + 63 = 75

A: 3s = 12

So s = 4

We have the price of a senior ticket is $4 and the price of a child ticket is $7

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Jennifer and Kamlee are walking to school. After 20 minutes, Jennifer has walked 4/5 miles. After 25 minutes, Kamlee has walked

Nimfa-mama [501]

Answer:

Jennifer's speed is 2.4 miles/hour

Kamlee's speed is 2 miles/hour

Step-by-step explanation:

To find their speed,

Speed can be determined from the formula below,

$Speed = \frac{Distance}{Time}$

Also, to determine the speed in miles per hour (miles/hour), we will convert the time spent by each of them to hour (NOTE: 60 minutes = 1 hour)

For Jennifer,

Distance = 4/5 miles

Time = 20 mins (Convert to hour)

∴Time = (20/60) hour = 1/3 hour

Hence,

$Speed = \frac{Distance}{Time}$

$Speed = \frac{4/5 miles}{1/3hour}$

$Speed = \frac{4}{5} \times \frac{3}{1}$

$Speed = \frac{12}{5}$

$Speed = 2.4 miles/hour$

Hence, Jennifer's speed is 2.4 miles/hour

For Kamlee,

Distance = 5/6 miles

Time = 25 minutes (Convert to hour)

Time = (25/60) hour = 5/12 hour

Hence,

$Speed = \frac{Distance}{Time}$

$Speed = \frac{5/6miles}{5/12 hour}$

$Speed = \frac{5}{6} \times \frac{12}{5}$

$Speed = 2 miles/hour$

Hence, Kamlee's speed is 2 miles/hour

4 0

3 years ago

What is the solution to the system of equations? -3x-y+z=6 -3x-y+3z=0 x-3z=3

valentina_108 [34]

Answer:X/3X=3

We move all terms to the left:

X/3X-(3)=0

Domain of the equation: 3X!=0

X!=0/3

X!=0

X∈R

We multiply all the terms by the denominator

X-3*3X=0

Wy multiply elements

X-9X=0

We add all the numbers together, and all the variables

-8X=0

X=0/-8

X=0

Step-by-step explanation:

4 0

3 years ago

I need help! It’s for a quiz I need an answer today please!

shutvik [7]

13.5•18 = 243 inches squared

5 0

3 years ago

the camping club wants to rent rafts. Each raft can hold 8 people. which equation could be used to find how many rafts are neede

ipn [44]

Answer:

32 = 8y

y = 32/8

Step-by-step explanation:

Each raft can hold 8 people.

If x = 8y, where "x" is the number of people and "y" is the number raft.

Given: The number of people 32

32 = 8y

y = 32/8

When we solve, we get y =4, 4 rafts needed.

Thank you.

6 0

3 years ago

Read 2 more answers

Symiah went to the bookstore and bought a hardcover book which was marked 10 percent off. If she saved $5 on the book, what was

Crank

Is it obvious the 10% of the book's price is the $5 right?

So the book's price is $50.

5 0

3 years ago