Question

a/25=14/35
a=?
a/8=7/b
ab-56=?
5/x=y/6 100-3xy =??

Answer 1

sper sa intelegi ideea

Answer 2

[tex] \frac{a}{25}= \frac{14}{35} =\ \textgreater \ 35a=350 => a=10 [/tex]

$\frac{a}{8}= \frac{7}{b} =\ \textgreater \ ab=56$

56-56=0

$\frac{5}{x}= \frac{y}{6} =\ \textgreater \ xy=30$

De unde 100-3*30=100-90=10