Question

Afla valoarea x. 13<×:5<16
26<×<(315-5):10

Answer 1

$13 < x \div 5 < 16 \: | \times 5$

$65 < x < 80$

$x \: \epsilon \: (65,80)$

$26 < x < (315 - 5) \div 10$

$26 < x < 310 \div 10$

$26 < x < 31$

$x \: \epsilon \: (26,31)$