Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$35.1/4.5$$

Answer

7.8

Solution


Shift the decimals of both 35.1 and 4.5 to the right by 1 decimal place. (This is needed to convert 4.5 to 45, since long division must divide by a whole number.)
\[351\div 45\]
Use the algorithm method.
7.8
45|351.
315.
36.0
36.0
Therefore, \(35.1\div 4.5=7.8\).
\[7.8\]
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