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Find the value of $$309 \div \left[ {\left( {\frac{3}{2}} \right){\text{of}}\left( {25 + 35} \right) - 12\frac{3}{4}} \right]$$
Answer & Solution
Correct Answer:
Option
D
$$\eqalign{
& 309 \div \left[ {\left( {\frac{3}{2}} \right){\text{of}}\left( {25 + 35} \right) - 12\frac{3}{4}} \right] \cr
& = 309 \div \left[ {\frac{3}{2} \times 60 - \frac{{51}}{4}} \right] \cr
& = 309 \div \left[ {90 - \frac{{51}}{4}} \right] \cr
& = 309 \times \frac{4}{{360 - 51}} \cr
& = 4 \cr} $$
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