For this case we must simplify the following expression:

We must add similar terms taking into account that:
- Equal signs are added and the same sign is placed.
- Different signs are subtracted and the major sign is placed.

Thus, the simplified expression is:

Answer:

T=2n+3
considering n has no other values given
Answer:
2 hours
Step-by-step explanation:
4 square yards to feet: 4*3 = 12ft
3 cows grazing grass at 2 ft per hour: 2*2 = 6 square ft per hour
Time taken: 12ft/6ft per hour = 2 hours
Answer:
$ 3.34
Step-by-step explanation:
3.50 * 1.06 cost at end of April then find 90% of this to find end of May
3.50 * 1.06 * .9 = $ 3.34