Answer:
7.0 < x < 7.6
X is the ideal pH of the swimming pool
To get 1/10 -> 1000/10 =100
and 1% of 100 -> 100/100 = 1 or 1%
100 for question 1
1 for q2
Answer:
x>5
Step-by-step explanation:
-3(2x+5)<-45
2x+5<-45/-3
2x+5<15
2x<15-5
2x<10
x<10/2
x<5
x>5
Answer:
2/5
Step-by-step explanation:
3/10÷3/4
3/10×4/3
4/10
2/5
