MCQ
What is $y$ in $10y + 20 = 50?$
- A$7$
- B$5$
- ✓$3$
- D$2$
✓
Answer
Correct option: C.
$3$
$\Rightarrow 10y + 20 = 50$
$\Rightarrow 10y = 50 - 20$
$\Rightarrow 10y = 30$
$ = \frac{30}{10}$
$\Rightarrow y = 3$
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