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vova2212 [387]
3 years ago
8

A diabetes drug cost $78 online. This cost is 75% of the cost of the

Mathematics
2 answers:
Likurg_2 [28]3 years ago
6 0

Answer:

$104 in the store

Step-by-step explanation:

To find the original cost <u>before</u> the discount, you divide the discounted price by the percentage, getting 104.

alexgriva [62]3 years ago
5 0

Answer:

$104

Step-by-step explanation:

If the cost in the store is x we can write:

75%x = 78

0.75x = 78

x = 78 / 0.75 = 104

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Ms.wolf has 9.5 pounds of candy in her classroom. she gives each student 0.25 pounds of candy. how many students can she feed​
LekaFEV [45]

Answer:

9.5÷0.25=38

So she can feed 38 students.

5 0
2 years ago
As Jupiter revolves around the sun, it travels at a speed of approximately 8 miles per second. Convert this speed to kilometers
Ira Lisetskai [31]

Answer:

The kilometers Jupiter travel in 5 seconds is <u>64 kilometers</u>.

Step-by-step explanation:

Given:

As Jupiter revolves around the sun, it travels at a speed of approximately 8 miles per second.

1 mile is equal to 1.6 kilometers.

Now, to convert this speed to kilometers per second, and at this speed to find kilometers will Jupiter travel in 5 seconds.

So, to convert speed of miles per second into kilometres per second:

<em>1 mile = 1.6 kilometres.</em>

Thus, 8 miles = 8 × 1.6 = 12.8 kilometres per second.

Now, at this speed we calculate the kilometres Jupiter travel in 5 seconds by multiplying:

<em>In 1 second Jupiter travel = 12.8 kilometres.</em>

So, in 5 seconds Jupiter travel  =12.8\times 5

                                                    =64\ kilometers.

Therefore, the kilometers Jupiter travel in 5 seconds is 64 kilometers.

6 0
4 years ago
Substitution method 2x-y+24 y=-3x+16
Llana [10]

- Using substitution means you are going to solve one equation for one variable and substitute with its value in the other equation in order to get also an equation with one variable.



4 0
3 years ago
A new car is purchased for $50,000 and over time it’s value depreciates by one half every 5 years. What is the value of the car
Setler79 [48]

The value of the car after 5 years would be $23914.85

<u>Explanation:</u>

Given:

Worth of the new car = $50,000

Every 5 years the value depreciates by 1/2

i.e., every 5 years the value depreciates by 50%

So, we can say that every year the value depreciates by 10%

The worth of the car after 7 years would be

W = C (1 - \frac{D}{100} )^t

where,

W is the depreciated value

C is the current value

D is the depreciation rate

t is the time

Substituting the value in the equation we get:

W = 50000( 1 - \frac{10}{100} )^7\\\\W = 50000 (\frac{9}{10} )^7\\\\W = 23914.85

Therefore, the value of the car after 5 years would be $23914.85

7 0
3 years ago
The ratio of blue marbles to red marbles in a box is 3 to 2.if there are 12 blue marbles in the box then how many red marbles ar
neonofarm [45]
You need to make a proportion.  Then cross multiply and divide to find your answer.

blue  3     12
red    2      x

(2)(12) = 3x
24  = 3x
x = 8

There are 8 red marbles

4 0
3 years ago
Read 2 more answers
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