# Rainfall

A rectangular garden of 25m in length and width 20m in width fall 4mm of water. Express by a fraction in basic form what part of the 60-hectolitre tank we would fill with this water.

Result

f =  0.333

#### Solution:

$a=25 \ \text{m} \ \\ b=20 \ \text{m} \ \\ h=4 \ \text{mm} \ \\ V_{1}=a \cdot \ b \cdot \ h=25 \cdot \ 20 \cdot \ 4=2000 \ \text{l} \ \\ V_{2}=60 \cdot \ 100=6000 \ \text{l} \ \\ f=V_{1}/V_{2}=2000/6000 \doteq \dfrac{ 1 }{ 3 } \doteq 0.3333 \doteq 0.333$

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