The answer is 30 because u need to add 60+90=150 and then subtract 180-150 which gives you 30
Answer:
B
Step-by-step explanation:

subtract 6 from both sides

divide by 2/3(or multiply by 3/2)

and thats your answer
Answer D
Step-by-step explanation:
Given data:
The given distance Jadwiga runs in a day is 875 m.
The expression for the given statement is,
1d=875 m
Multiply the above expression by 7 on both sides.
7(1 day)=7(875 m)
=6,125 m
=6.125 km
Thus, Jadwiga covered 6.125 km in 7 days.