djs1002
16.07.2019 •
Mathematics
In 9 hours 2 in of rain fell at this rate how many inches will fall in 12 hours
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Ответ:
2 2/3 or
2.666667 inches rainfall or
8/3 inches of rainfall.
Step-by-step explanation:
Set up a proportion. Since you are going to be looking for inches of rainfall, it should go in the numerator.
2 in rainfall/9 hours = x / 12 inches. Multiply both sides by 12
2*12 /9 = x
8/3 inches = x
2 2/3 inches should fall in 12 hours.
Ответ:
2.67 in
Step-by-step explanation:
∵ In 9 hours amount of rainfall = 2 in
∴ In 1 hours amount of rainfall = 2/9 in
∴ in 12 hours amount of rainfall = (2/9) × 12
=
= 
≈
in or 2.67 in.
In 12 hours 2.67 in. rain fell.
Ответ:
11
Step-by-step explanation: