If you multiply the dark inside one and the outside one then add them up it will give you the answer!<span />
F(g(7))= f(2×7+2)= f(16)= 4×16+21=85
Therefore: the answer is 85
Hope that helps!!
Answer: 0.5%
3 pages out of 650 is 0.5%
It will equal 1 Kg because 1ml = 1 gram