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makvit [3.9K]
3 years ago
8

8 1/5 + 4 2/5 i need to know cus i dont understand it

Mathematics
1 answer:
inessss [21]3 years ago
6 0

Answer:

63/5 or 12 (3/5)

Step-by-step explanation:

It is 8 whole (1 ÷ 5) plus 4 whole (2 ÷ 5)

So,we can write it as 8 (1/5) + 4 (2/5)

Then we will take those mixed fractions to improper fractions by using the rule of multiplication.

8 will be multiplied by 5 and then the value will be added to 1. Same rule will be applied for the second fraction.

(41÷5) + (22÷5)

Now we will take L.C.M. (Least common multiple) for both denominators 5 and 5. The L.C.M of 5 and 5 = 5

(41 + 22)/5

= 63/5

It is the answer. Also we can make this improper fraction into mixed fraction by dividing the whole number by 5.

12 (3/5)

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W sklepie spożywczym jest 11,73 kg cukierków czekoladowych. Pierwszy klient kupił 48 dag cukierków. Drugi klient kupił 4/5 pozos
Elenna [48]

Answer:

<h2>The last costumers got 2.25 kilograms of chocolate candies.</h2>

Step-by-step explanation:

The question is

<em> There is 11.73 kg of chocolate candies in the grocery store. The first customer bought 48 dag of candies. A second customer bought 4/5 of the remaining quantity. The last three customers bought the same amount of candy. How much chocolate did the last customers get?</em>

<em />

Givens

  • The total amount of chocolate candies is 11.73 kilograms.
  • First costumer bought 48 dag of candies. (1 kg equals 100 dags)
  • Second costumer bougth 4/5 of the remaining.
  • Another three costumers bought the same amount of candy.

Let's transform 48 dag to kilograms.

48dag \times \frac{1kg}{100dag}= 0.48 \ kg

Therefore, the first costumer bought 0.48 kilograms of candies.

The remaining amount is: 11.73kg-0.48kg=11.25kg

Now, we need to multiply the remaining amount of candies with 4/5

\frac{4}{5} \times 11.25kg=9 \ kg

Therefore, the second costumer bought 9 kilograms of chocolate candies.

At last, we need to find the new remaining part of candies, which is

11.25-9=2.25 \ kg

Therefore, the last costumers got 2.25 kilograms of chocolate candies.

4 0
3 years ago
Toyland is having a sale. All items are 20% off. How much will you save on an item that usually sells for $95?
Olegator [25]

Answer:

19

Step-by-step explanation:

To find 20% of 95 multiply 95 by 0.20, p5 x 0.20=19

3 0
3 years ago
Solve x/-3 = -15.<br><br> A.) -45<br> B.) 5<br> C.) -5<br> D.) 45<br> this is multiple choice
Fiesta28 [93]

Answer:

x= 45

Step-by-step explanation:

x= -15*-3

x= 45

6 0
3 years ago
What equations are equivalent to 7(3x-4)?
Vaselesa [24]

Answer:

21x-28

Step-by-step explanation:

Distribute

7(3x-4)

7*3x=21x

7*-4=-28

6 0
4 years ago
Please help I’ll mark you as brainliest if correct!!
Alex777 [14]
8^13

The exponent is increasing by 3
7 0
1 year ago
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