Answer:

Step-by-step explanation:
Add the amounts together:

Convert the whole number 1 into a fraction with denominator 4:

As all the denominators are the same, we can simply add the numerators:


Finally, convert the improper fraction into a mixed number:

Step-by-step explanation:
90×3×-5×-2/3×-5
2700/-15
-180
Letter B. X is a vertical angle, and so is F. Vertical angles are all congruent.
Answer:
5th year= 9800
Step-by-step explanation:
1st year=15800
2nd=14300
3rd=12800
4th=11300
5th=9800