Solution:
(b)
The amount of mineral fuels, including oil and vehicle is;
[tex]99.3+60.5=159.8[/tex]
The total amount of exports is;
[tex]450.7[/tex]
Thus, the percentage relative of mineral fuels, including oil and vehicle to total exports is;
[tex]\frac{159.8}{450.7}\times100=35.5[/tex]
(c) The total amount of top five Canadian exports is;
[tex]99.3+60.5+34.5+18.3+14.3=226.9[/tex]
Thus, the percentage relative of mineral fuels, including oil and vehicle to top five exports is;
[tex]\frac{159.8}{226.9}\times100=70.4[/tex]
