Answer:
15 + _ = -15
15 + 15 = _
<u>- 30 = _</u>
<u>-</u><u> </u><u>3</u><u>0</u><u> </u><u>is</u><u> </u><u>the</u><u> </u><u>answer</u><u>.</u>
8b estaSIMPLIFIC ADA
Step-by-step explanation:
13
18 students
60% of 30
(60*30)/100
1800/100 = 18 students