Answer:
0.3
Step-by-step explanation:
x is the number to be added to 0.7 to have a sum of 1.



Answer:
no
Step-by-step explanation:
no they are not they are hard
1/2 + 1/3 = 3/6 + 2/6 = 5/6
we have 5/6 so 15 is 1/6 of the entire group
15 × 6 = 90
The charge on each house is 8 units