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3 years ago

Please answer this math question !! thank u dears !! 20 points and brainliest !!

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

6 0

Answer:

The student ticket is 200 and the adults is 550

Step-by-step explanation:

So the set up is :

750 = x + y

5300 = 8x + 4.5 y

x will be adults and y will be students

Assuming you don't have calculator then you want to be able to eliminate either x or y from this system. The easiest is X cause its a whole number.

So multiply all the numbers from the first equation by 8 which gives

6000 = 8x + 8 y

5300 = 8x + 4.5 y

Then subtract the numbers (6000-5300 and 8x-8x and 8y-4.5y)

which gives :

700 = 3.5y

Solve for y = 200

and plug 200 back into any equation to solve for X

750 = x + 200

x = 550

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3 years ago

Jackie bougth red and green binders and paid $2.25 for each red binder and $3.24 for each green binder and spent a total of $21.

Alenkasestr [34]

Answer:

4 each of red and green binders.

Step-by-step explanation:

Given: Price of each red binder is $2.25.

Price of each green binder is $3.24.

Total Jackie paid is $21.96.

Lets assume the number of red binder bought be "x".

∴ Total amount paid for red binder= $number\ of\ red\ binder \times price\ for\ each\ red\ binder$

⇒ Total amount paid for red binder= $x\times \$ 2.25= \$ 2.25x$

Now, finding the amount paid for green binder.

As we know the total amount paid by Jackie is $21.96 and she bought same number for each binder.

Jackie paid for x number of green binder= $\$ 3.24\times x= \$ 3.24x$

Next, we can write an equation on total amount paid for Green binder to find value of x.

∴ $\$ 21.96-\$ 2.25x= \$ 3.24x$

Solving the equation.

$\$ 21.96-\$ 2.25x= \$ 3.24x$

Adding both side by \$ 2.25x

⇒ $\$ 21.96= \$ 3.24x+\$ 2.25x$

⇒ $\$ 5.49x = \$ 21.96$

cross multiplying both side.

⇒ $x= \frac{21.96}{5.49} = 4$

∴ x= 4

Hence, Jackie bought 4 each of red and green binders as she bought same number of each binders.

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3 years ago