Question

10 номер!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

$S=ab\ a=frac{S}b\ a=frac{frac23}{frac27}=frac{2*7}{3*2}= =frac73$

Answer 2

s=a*b
23=a*2/7

a=2/3 : 2/7
а=7/3