Well we can find out how many used books there are by subtracting 8 from 13 which gives us 5. Then we put that in a ratio for all to used it would be 13:5 or 13/5
Used to new would be 5:8 or 5/8
Answer:
X=16.5
Step-by-step explanation:
Answer:
hi there my straety would be to calculate each of the intermediate values first. i.e. sqrt of 2 = 1.414213562,
Step-by-step explanation:
Answer:
Divide by 80 on both sides