Answer: -39c-12
Step-by-step explanation:
Answer:
-7
Step-by-step explanation:
it is -7 you have to get X by yourself
3 = 10 + x
subtract 10 from each side
x = -7
Answer: See explanation
Step-by-step explanation:
From the question, we are informed that the weight of 90 books is 50kg. We need to get the weight of a book first and this will be:
= 50/90
= 5/9
Therefore, the weight of 180 such books will be 5/9 multiplied by 180. This will be:
= 5/9 × 180
= 100kg