In 1997 there were 31 laptop computers at grove high school. starting in 1998 the school bought 20 more laptop computers at the
1 answer:
You might be interested in
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:
The value of the given expression is
Solution:
Given expression is .
Let us first convert mixed fraction into improper fraction.
Substitute this in the given expression.
To simplify the above expression, 21 and 60 are cancelled by 3.
Do cross multiplication to make the denominator same.
The value of the given expression is