Answer: 23
Step-by-step explanation:
AB + BC = AC
AC = 11 + 12 = <u>23</u>
The answer is 20. you'll have to multiply 10 times 3 and get 30. Then you'll subtract the 10 from the 30 and get 20
3/x<span>÷5=1/10
3</span><span>÷5=1/10*x
6/10=1/10*x
6=x</span>
