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Firlakuza [10]
3 years ago
13

John is 12 years older than Myles. 5 Years ago John was 2 times as old as Myles. How old are john and Myles now

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
3 0

Answer:

john is 23 and myles is 11

Step-by-step explanation:

just a guess

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I rent a gym for $150 for 30 students another time I rent the gym for $270 for 70 students I need to find a fixed rate
kirza4 [7]

Answer:

Fixed rate is $60.

Step-by-step explanation:

Let us consider per student charge be 'x'.

Let us consider fixed rate be 'b'

Given:

I rent a gym for $150 for 30 students.

So we can say that;

Total amount is equal to sum of number of students multiplied by per student charge and fixed rate.

framing in equation form we get;

30x+b=150 \ \ \ \ equation \ 1

Also Given:

another time I rent the gym for $270 for 70 students.

So we can say that;

Total amount is equal to sum of number of students multiplied by per student charge and fixed rate.

framing in equation form we get;

70x+b=270 \ \ \ \ equation \ 2

Now we will subtract equation 1 from equation 2 we get;

70x+b-(30x+b)=270-150\\\\70x+b-30x-b=120\\\\40x=120

Dividing both side by 40 we get;

\frac{40x}{40}=\frac{120}{40}\\\\x=\$3

Now we will substitute the value of x in equation 1 we get;

30x+b=150\\\\30\times3+b=150\\\\90+b=150\\\\b=150-90 =\$60

So we can say that the equation can be written as;

y =3x+60

Hence we can say that fixed rate is $60 and per student charge is $3.

3 0
3 years ago
Read 2 more answers
How many solutions does the equation: 4x-8=2(2x-4) have?
ser-zykov [4K]
Your answer is Infinite solutions
3 0
3 years ago
Hey guys I need help wit this plz! Plz write down the whole detail of your answer plz!! 20 points or more...
Anastaziya [24]

Answer:

48 centimetres wide

Step-by-step explanation:

you are at 3

you enlarge it and you get 6

second enlargement you get 12

third enlargement you get 24

fourth enlargement you get 48

if you times 3 by 4 you are not doubling the width each time you enlarge the photo

so it is easier to double it each time you enlarge it

8 0
3 years ago
Read 2 more answers
An opera theater has a sale: "Buy two tickets and get the third
snow_lady [41]

Answer:

$75

Step-by-step explanation:

let 'x' = full price ticket

x + x + 0.4x = 180

2.4x = 180

x = 75

8 0
3 years ago
Sam received his test back and earned 24 out of 40 points. What percent did he receive on the test?
anyanavicka [17]

Answer:

60%

Step-by-step explanation:

24/40=60%

3 0
3 years ago
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