Question

Daca a/10=3/5, atunci valoarea expresiei 50-4a este egala cu....

Answer 1

Răspuns:

a:10=3:5

a=6

50-4×6=50-24=26

Answer 2

$\frac{a}{10} = \frac{3}{5} = > a = \frac{10 \times 3}{5} = 2 \times 3 = 6$

50-4a=50-6x4=50-24=26