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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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Aug 2, 2019
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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
Mathematics
high-school
Thomaus
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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.
Wdscxsj
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Aug 3, 2019
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Wdscxsj
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Joey : Girlfriend = 8 : 7
Multiply the ratio by 9:
Joey : Girlfriend = 8x9 : 7x9
Joey : Girlfriend =
72 : 63
Answer: His girlfriend is 63 inches tall.
MrLore
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Aug 8, 2019
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