We use unitary method over here. To find out the number pages he writes in 1 hour we should;
16÷8 = 2.
So Brennan writes 2 pages in 1 hour.
Hence, in 10 hours he writes;
2 × 10 = 20.
∴ in ten hours Brennan writes 20 pages.
50% is the correct answer for the question
I hope this helps you
6. (-7).a^2+4.b^1+7
-42.a^6.b^8
60,000 ton a year is correct
