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3 years ago

It costs 95 dollars for 20 students to visit and equarium.how much does it cost for 162 students?

Mathematics

2 answers:

larisa86 [58]3 years ago

8 0

Answer:

769.50

Step-by-step explanation:

95 ÷ 20 = 4.75

So, 4.75 is the cost per student

4.75 × 162 = 769.50

So, 4.75 dollars per student times 162 students is 769.50

shutvik [7]3 years ago

8 0

Answer:

It costs $769.50 for 162 students.

Step-by-step explanation:

95 ÷ 20 = 4.75

It costs $4.75 per student. If there are 162 students, we have to multiply 4.75 by 162.

4.75 x 162 = 769.5

So this means it costs $769.50 for 162 students.

Let me know if you need anymore help!

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You answered 85% of the questions on the quiz correctly. What fraction of the questions did you answer correctly?

victus00 [196]

A percentage is out of 100.

85/100

in lowest terms this is

17/20

7 0

3 years ago

Solve the system using elimination.

Shalnov [3]

Answer:

After simplifying we get (x,y) as (1,3).

Step-by-step explanation:

Given:

$x+7y=22$ ,

$x-7y=-17$

We need to use elimination method to solve the and simplify the equations.

Solution;

Let $x+7y=22$ ⇒ equation 1

Also Let $4x-7y=-17$ ⇒ equation 2

Now by solving the equation we get;

first we will Add equation 2 from equation 1 we get;

$(x+7y)+(4x-7y)=22+(-17)\\\\x+7y+4x-7y=22-17\\\\5x=5$

Now Dividing both side by 5 using division property of equality we get;

$\frac{5x}{5}=\frac{5}{5}\\\\x=1$

Now Substituting the vale of x in equation 1 we get;

$x+7y=22\\\\1+7y=22$

subtracting both side by 1 using subtraction property of equality we get;

$1+7y-1=22-1\\\\7y=21$

Now Dividing both side by 7 using division property of equality we get;

$\frac{7y}{7}=\frac{21}{7}\\\\y=3$

Hence we can say that, After simplifying we get (x,y) as (1,3).

4 0

2 years ago

Round to the nearest integer 31.4829

Lady_Fox [76]

9514 1404 393

Answer:

Step-by-step explanation:

The fractional part of the given number is 0.4829, which is less than 0.5. That means the nearest integer is the integer below the given number:

8 0

3 years ago

The quotient of 2 and the sum of a number and 1.

snow_lady [41]

Answer:

2 / (x + 1).

Step-by-step explanation:

If the number is represented by x the expression is:

2 / (x + 1).

5 0

3 years ago

Read 2 more answers

In a different plan for area codes, the first digit could be any number from 4 through 8, the second digit was either 3, 4, 5,

Snezhnost [94]

For the first digit, we have 5 options that are 4,5,6,7,8 . For the second digit, we have 4 options which are 3,4,5 or 6 and for the third digit, we have the options of all numbers except 2 or 5 that is 1,3,4,6,7,8,9,0 . SO we have 8 options for third digit . So to find the total number of options, we need to multiply all the possible options for each digit that is 5 times 4 times 8 = 160 . So the number of possible options are 160 .

7 0

3 years ago