Answer:
50
Step-by-step explanation:
Let x be the total number of teachers. 0.4x = 20. So, 4x = 200. x = 50
Answer:
A=+4
B=+20
C= -7
i think
hope this helps please make my answer the brainliest
Answer:
9
Step-by-step explanation:
Answer:
1/10^7 or 1/10000000
Step-by-step explanation:
Answer:
3.5 and -3.5
Step-by-step explanation: