1. The product of five and a number is 15
2. The sum of six and a number is 16
3. 27 divided by a number is nine
4. The product of six and a number is 72

Step-by-step explanation:

(1)

Dividing both sides by will give us the

(2)

Subtracting both sides by will give us the

(3)

First let's multiply both sides by

Now, let's divide both sides by to get our

(4)

Dividing both sides by will give us the

439400

step-by-step explanation:

130^2 = 16900

16900*26 = 439400