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Anestetic [448]
3 years ago
7

Please give me the correct answer.​

Mathematics
1 answer:
Sphinxa [80]3 years ago
3 0

Answer:

rfvgvgvgvf

Step-by-step explanation:cghctf

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A store is having a sale on trail mix and jelly beans. For 7 pounds of trail mix and 9 pounds of jelly beans, the total cost is
Vlad [161]

Answer:

The cost for each pound of trail mix is $ 1.75 and each pound of jelly beans is $ 2.75.

Step-by-step explanation:

Let each pound of trail mix cost x dollars and each pound of jelly beans cost y dollars.

Given:

7 pounds of trail mix and 9 pounds of jelly beans cost $ 37.

So, 7x+9y=37--------------- 1

Also, 5 pounds of trail mix and 3 pounds of jelly beans cost $ 17.

So, 5x +3y=17--------------- 2

Multiplying equation 2 by -3, we get

(5x +3y=17)\times -3\\-15x-9y=-51-------- 3

Now, adding equations 1 and 3, we get

7x+9y-15x-9y=37-51\\7x-15x=-14\\-8x=-14\\x=\frac{-14}{-8}=\$1.75

Now, plug in x=1.75 in equation 1 and solve for y.

7(1.75)+9y=37\\12.25+9y=37\\9y=37-12.25\\9y=24.75\\y=\frac{24.75}{9}\\ y=\$2.75

Therefore, the cost for each pound of trail mix is $ 1.75 and each pound of jelly beans is $ 2.75.

7 0
3 years ago
John sells apples for $5 per bunch and watermelons for $3 a piece. He made $100 today and sold 10 watermelons. How many bunches
harina [27]

Answer:

14

Step-by-step explanation:

3*10=30

5*14=70

30+70=100!!!  

4 0
2 years ago
Read 2 more answers
Area of right angle triangle is 54 cm2. if one of its leg is 12 cm fine the perimeter
Molodets [167]
The perimeter of the right angled triangle should be 36cm, hope this helps:)
8 0
3 years ago
The diameter of a basketball is 9.50 inches. What is the volume of the ball, rounded to the nearest hundredth?
Goryan [66]

Answer:

b

Step-by-step explanation:

4/3*pi*r^3

8 0
2 years ago
Factor the polynomial.
Rudik [331]
Maybe this is right :)

8 0
2 years ago
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