add all numbers and divide by the count of numbers.
In Any Way for the first problem the answer is that is you shade in 1 sq.unit.
525/15 = 35 they would need to sell 35 tickets for there concert to cover the cost of the gym. <span />
Answer:

Step-by-step explanation:
1) Convert
to improper fraction. Use this rule:
.

2) Simplify 4 * 3 to 12.

3) Simplify 12 + 1 to 13.

4) Convert
to improper fraction. Use this rule:
.

5) Simplify 1 * 3 to 3.

6) Simplify 3 + 2 to 5.

7) Join the denominators.

8) Simplify.

9) Convert to mixed fraction.

(Decimal Form: 2.666667)
Thank you,
Eddie