X (2x + 5,000) is invested by Ritika in a scheme offering compound interest at 25% p. a., compounded anmally for 2 years gives an interest of (7x + 7,800). Find the value of 'x'.

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Step-by-step explanation:

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the answer is d

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measurement of the swimming pool is given as = 7 yards 4.79 feet

first we will convert this to yards only.

1 foot = 0.33 yards

so, 4.79 feet = yards

so total yards are = yards

now we will convert this in meters.

1 yard = 0.914 meters

8.580 yards = meters

0.842 m = 0.842*100 = 84.2 cm

this becomes 7 meters and 84.2 cm

hence, the pool is 7 meters and 84.2 cm wide.