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NNADVOKAT [17]
2 years ago
5

What’s 3/5 plus 3/5

Mathematics
1 answer:
AlladinOne [14]2 years ago
5 0

Answer: 1.2 or 6/5

Step-by-step explanation:

3/5 is equal to 3 divided by 5

(3 divided by 5) plus (3 divided by 5) is 1.2

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What was the original price if: after a 70% discount, it became $3
Tamiku [17]
Your Answer Would Be  : $5.10
6 0
3 years ago
Sarah would like to make a 6 lb nut mixture that is 60% peanuts and 40% almonds. She has several pounds of a mixture that is 80%
ivolga24 [154]

Answer:  

<em>a.  The system of equations that models the situation is....</em>

<em>     0.80x+0.50y=3.60\\\\ 0.20x+0.50y=2.40</em>

<em>b.  The solution to the system:  x = 2 and y = 4 </em>

<em>The amount of 80/20 mixture is 2 pounds and the amount of 50/50              mixture is 4 pounds.</em>

Step-by-step explanation:

Suppose, the amount of 80/20 mixture is  x pounds and the amount of 50/50 mixture is  y pounds.

So, the amount of peanuts in 80/20 mixture = 0.80x pound and the amount of almonds in 80/20 mixture =0.20x pound.

And the amount of peanuts in 50/50 mixture =0.50y pound and the amount of almonds in 50/50 mixture =0.50y pound.

Now, Sarah would like to make a 6 pounds nut mixture that is 60% peanuts and 40% almonds.

So, the amount of peanuts in that mixture =(6\times 0.60)=3.60 pounds

and the amount of almonds in that mixture =(6 \times 0.40)= 2.40 pounds.

So, the system of equations will be.........

0.80x+0.50y=3.60 ...................(1)\\\\ 0.20x+0.50y=2.40...................(2)

Subtracting equation (2) from equation (1), we will get.....

(0.80x+0.50y)-(0.20x+0.50y)=3.60-2.40\\ \\ 0.60x=1.20\\ \\ x= \frac{1.20}{0.60}=2

Now, plugging this x=2 into equation (1), we will get......

0.80(2)+0.50y=3.60\\ \\ 1.60+0.50y=3.60\\ \\ 0.50y=3.60-1.60=2\\ \\ y=\frac{2}{0.50}=4

So, the amount of 80/20 mixture is 2 pounds and the amount of 50/50 mixture is 4 pounds.

7 0
3 years ago
Megan sent 12 postcards last week. This week she sent 4 postcards. How many more postcards didn't she sent last week?
Gala2k [10]
8 postcards she didn't sent last week.
5 0
3 years ago
Read 2 more answers
Aidan rollerblades 540 ft per min. at this rate how far in yards will he rollerblade in 5 min( 1 yd =3 ft)​
Pani-rosa [81]

Answer:

900 yards

Step-by-step explanation:

540/3=180

180x5=900

6 0
2 years ago
Does anybody know what is −15÷3/5?
Yanka [14]
I hope this helps you




-15÷3
_____

5



-5
___

5


-1

4 0
3 years ago
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