Question

[Nguyễn Nhật Bảo Nam]

y × 9,34 + y × 66% = 72

Answer 1

[Akai Haruma]

Lời giải:
$y\times 9,34+y\times 66\text{%}=72$

$y\times 9,34+y\times 0,66=72$

$y\times (9,34+0,66)=72$

$y\times 10=72$

$y=72:10=7,2$