bobmarlytocoll9261 bobmarlytocoll9261
  • 11-05-2018
  • Mathematics
contestada

The ratio of height between Joey and his girlfriend is 8:7. If Joey is 72 inches tall, how tall is his girlfriend in inches

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mkryukova19 mkryukova19
  • 11-05-2018
Ratio is Joey/girlfriend = 8/7=8x/7x.
8x is height of Joey.
8x=72
x=72/8=9

7x is height of Joey's girlfriend.
7x=7*9=63 in.
Answer: 63 in.


Answer Link
Аноним Аноним
  • 11-05-2018
Joey : Girlfriend =  8 : 7 

Multiply the ratio by 9:
Joey : Girlfriend =  8x9 : 7x9
Joey : Girlfriend =   72  :  63


Answer: His girlfriend is 63 inches tall.
Answer Link

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