1.

Answer»

Solution

Expression : 432.62 - 269.21 $\div$(11.9 % of 78) =?

= $432 - (270 \times \frac{1}{\frac{12}{100} \times 78})$

= $432 - (270 \times \frac{100}{936})$

= $432 - 29 = 403$

$\approx 400$



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