Answer:
below given.
Step-by-step explanation:
a.
[tex]\frac{2}{9} [/tex] *80%
[tex]\frac{2}{9} * \frac{80}{100} [/tex]
[tex]\frac{160}{900} [/tex] .....simplify it.
[tex]\frac{8}{45} [/tex]
b.
[tex]\frac{2}{3}*2\frac{7}{8} [/tex]
[tex]\frac{2}{3} *\frac{23}{8} [/tex]
[tex]\frac{46}{24} [/tex] ....simplify.
[tex]\frac{23}{12} [/tex]
