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The time is took Tayna to complete different sets of math problems varied directly with the number of problems in the set Tayna's data is shown in the table. If x = time, and y = the number of problems in the set, which equation models Tayna's direct variation
A. y = 12x
B. y = 1.2x
C. y = x divided by 12
D. y = x divided by 1.2

Respuesta :

kwekuasiedu315

Answer:

C

Step-by-step explanation:

time is directly proportional to the number of problems in the set

=> x = ky

k = constant of proportionality

when k = 12

x = 12y

by making y the subject, we divide both sides by 12

=> y = x/12

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