thatwitchg1rl thatwitchg1rl
  • 15-07-2021
  • Mathematics
contestada

Solve the proportion.
14
y +9
-
10
15
y = [?]

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 15-07-2021

Answer:

y=12

Step-by-step explanation:

14          10

----- =  --------

y+9         15

Using cross products

14*15 = 10 (y+9)

210 = 10(y+9)

Divide by 10

210/10 = 10(y+9)/10

21 = y+9

Subtract 9

21-9 = y

12 =y

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