Answer:
= a(b+c)
Step-by-step explanation:
you can factorize out the a
Answer:
78 rounds to 80. So decrease 22% to 1/5. Increase 78 to 80. = 17.16.
I hope this will help you..
1 = 130
2 = 50
3 = 50
5 = 130
6 = 50
7 = 50
8 = 130
1 and 4 are the same because of the vertical angle