Answer:
15
Step-by-step explanation:
3 counselors for every 20 girls
Which one is the middle one ?
(A) is your answer
In this case, only rotational symmetry can work, with a turn of 180°
hope this helps
Answer
7.5 pounds
Step-by-step explanation:
Since adding x grams of salt will bring th percentage of the salt to 25
Hence. 10% of the 50 gram gives. 5 gram initial salt before it is added.
5+ x/ 50 * 100= 25/
5+x /50 = 0.25
5+x = 12.5
X= 12.5- 5
X= 7.5pounds
