Question

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Answer 1

$y= \dfrac{2}{5}*2+5* \dfrac{3}{2}- \dfrac{1}{2}*2 \\ \\ \\ y= \dfrac{4}{5}+ \dfrac{15}{2}- \dfrac{2}{2} \\ \\ \\ y= \dfrac{8}{10}+ \dfrac{75}{10}- \dfrac{10}{10} \\ \\ \\ y= \dfrac{8+75-10}{10} \\ \\ \\ y= \dfrac{73}{10}\qquad\qquad \to y= 7,3 \to d)$