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juin [17]
4 years ago
15

How do you use equivalent rates in the real world?

Mathematics
1 answer:
kotykmax [81]4 years ago
7 0
Cross multiplication
or multiplying by a number which goes in both rates
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Evaluate 5v + w for v = 4 and w = 16. Show work.
Georgia [21]

Answer:

36

Step-by-step explanation:

5(4)+16=20+16=36

5 0
3 years ago
What is the size of angle x
mixer [17]

Step-by-step explanation:

180-120 = 60 which is the 2nd angle in triangle.

60+50+x = 180

x = 70

5 0
2 years ago
Last month, he sold 505050 chickens and 303030 ducks for \$550$550dollar sign, 550. This month, he sold 444444 chickens and 3636
Nostrana [21]

Answer: the cost of one chicken is $8

The cost of one duck is $5

Step-by-step explanation:

Let x represent the cost of one chicken.

Let y represent the cost of one duck.

Last month, he sold 50 chickens and 30 ducks for $550. It means that

50x + 30y = 550- - - - - - - - - - - 1

This month, he sold 44 chickens and 36 ducks for $532. It means that

44x + 36y = 532- - - - - - - - - - - 2

Multiplying equation 1 by 44 and equation 2 by 50, it becomes

2200x + 1320y = 24200

2200x + 1800y = 26600

Subtracting, it becomes

- 480y = - 2400

y = - 2400/- 480

y = 5

Substituting y = 5 Intl equation 1, it becomes

50x + 30 × 5 = 550

50x + 150 = 550

50x = 550 - 150

50x = 400

x = 400/50

x = 8

3 0
3 years ago
Read 2 more answers
Mike had to call a plumber. The plumber charged $55 for the service call plus, plus $22 for parts, and an hourly rate. He worked
Semmy [17]

Answer: the answer is $456 and that is correct

Step-by-step explanation:

152×3= $456

4 0
3 years ago
A pizza restaurant sells containers of juice that it marks up 75 percent above its wholesale cost. If the restaurant marks up ea
Fed [463]
0.90 = 175% of the original price
X * 1.75 = 0.90

(0.90 / 175) * 100 = $0.51

Hope this helps! :)
7 0
3 years ago
Read 2 more answers
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