Question

Please tell me answer​

Answer 1

average=(63+57+82+55+x)/5

60=(257+x)/5

x+257=300

x=300-257

x=43

MARK BRAINLIEST.

Answer 2

given

⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️
________________________

average i.e. 60

________________________

no. of units i.e. 5

________________________

so atq
⬇️

$\frac{63 + 57 + 82 + 55 + x}{5} = 60 \\ \\ \frac{257 + x}{5} = 60 \\ \\ \\ 257 + x = 300 \\ \\ 300 - 257 = x \\ \\ 43 = x$
________________________
hope it helps you ☺

________________________