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murzikaleks [220]
3 years ago
14

Find the value of x in each case. Give reasons to justify your solutions! e L, M ∈ KN

Mathematics
1 answer:
Greeley [361]3 years ago
8 0

Answer:

X=36

Step-by-step explanation:

3x+72=180

3x=180-72

3x=108

x=36

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The ratio of the price of a pair of sneakers to the price of a pair of boots is 15:19. The price of a pair of boots is 570 dolla
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Answer:

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Step-by-step explanation:

sneakers : boots

15 : 19


15        cost sneakers

------ =  -------------------

19          570


using cross products

15 * 570 = 19 * sneakers

8550=19 * sneakers

divide by 19

8550/19 = sneakers

sneakers = 450

total cost = 2* sneakers + boot

total cost = 2 * 450 + 570

total cost = 900 + 570

total cost = 1470


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A

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4 0
3 years ago
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