Answer:
See explanation
Step-by-step explanation:
We want to verify that:

Verifying from left, we have

Expand the perfect square in the right:

We expand to get:

We simplify to get:

Cancel common factors:

This finally gives:

4.8 pounds, set it up as 4 over 10 times x over 12, to find x multiply 4 by 12, and divide by ten. The result is 4.8
It was used to see how your basic math skills
Answer:
Cost: $14.349
Markup: $15.649
Step-by-step explanation:
1. Rewrite the percent as decimal. Divide it by 100, as following:
109/100=1.09
3. Now, knowing that Baby blankets sell for $29.99 after a markup rate based on cost of 109%, you can write the following expresion:

Where x is the cost.
4. You must solve for x, then, you obtain:

5. The markup is:
