Question

plz help my friends to solve this question ⁉️​

Answer 1

Answer:

$dust \: in \: 25 \: days = 6 \times {10}^{8} \: pounds \\ \\ dust \: in \: 1 \: day = \frac{6 \times {10}^{8} }{25} \: pounds \\ \\ dust \: in \: 15 \: days = \frac{6 \times {10}^{8} }{25} \times 15 \\ \\ { \large{ \pink{= 3.6 \times {10}^{8} \: pounds}}}$