Answer: 17 1/16
seventeen and one sixteenth
Explanation:
Substitute x=2 and y=5 into equation
1/2x^3 + 3.4y
= 1/2(2)^3 + 3.4(5)
Solve in the order of BEDMAS (brackets, exponents, division, multiplication, addition, subtraction)
= 1/2(8) + 3.4(5)
= 1/16 + 3.4(5)
= 1/16 + 17
= 17 1/16