Since 1/2 is equal to a half, you divide 50 and 40 by 2 and you'll get 25 and 20 and then you subtract 25 and 20 and you get 5 which is the answer!
Answer: B
Step-by-step explanation:
To isolate x, you divide both sides by 21
21x=7

x = 7/21
Simplify by dividing both the numerator and denominator by 7
x = 1/3
Since, 1/3 is not an option, B is the correct answer
Answer:
<em>45, 51 and 57</em>
Step-by-step explanation:
its +6 each time so,
45
51
and
57
You divide 47,000 by 8. You should get 5,875. That should be the answer
The answer would be -12+8i