A) 70 pools in total
B) 5:2
Mass = density* volume
since density= mass/volume then mass/volume*volume=mass
= 4.5*0.4 = 1.80g
Answer:
-1=p
Step-by-step explanation:
8=8p+13-3p
8-13=8p-3p
-5=5p
-5÷5=5p÷5
-1=p
2/4=1/2 and 4/8
1/3=2/6 and 3/9
1/4=2/8 and 3/12