the answer to this question is 648
the answer is 9
30 percent of 30 is 9
40 percent of 30 is 12
12+9 =21
30-21 =9
Answer:
-15
Step-by-step explanation:
37-52
1.2
First one is 19. The work is 7+7+5=19
Second one is 22. The work is 12+5+5=22
Third one is 15. The work is 3+3+3+3+3=15