ridjebeberjejej7502
20.07.2019 •
Mathematics
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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Ответ:
Multiply the ratio by 9:
Joey : Girlfriend = 8x9 : 7x9
Joey : Girlfriend = 72 : 63
His girlfriend is 63 inches tall.
Ответ:
8x is height of Joey.
8x=72
x=72/8=9
7x is height of Joey's girlfriend.
7x=7*9=63 in.
63 in.
Ответ:
Interest = Rs 2000
Amount = Rs 7000
Step-by-step explanation:
Amount = Principal + Interest
Given
Principal = Rs 5000
Interest= PRT/100
Interest = 5000*8*5/100
Interest = 50*40
Interest = Rs 2000
Amount after 5years = 5000 + 2000
Amount after 5years = Rs 7000