2 log(4y) = log7(343) - log5(25)
log7(343) = 3
log5(25) = 2
2 log(4y) = 3 - 2 = 1
log(4y) = 0.5
4y = sqrt(10)
y = 0.25 sqrt(10)
y = 0.79057 (rounded)
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343 out of 512 as a fraction is 343/512 and the fraction 343/512 cannot be reduced any further.
It equals 625.
11 11 times 25 equals 275
Instead of -25 plus - 16, think of it as -25 - 16. 25 mins 16 equals -41.
25