Mr. collins made 20 bird houses to sell at a carnival. he earns $15 for each bird house he sells. how much will mr. collins earn if he sells all 20 bird houses?
a. $35
b. $55
c. $300
d. $400

C. $300

Step-by-step explanation:

We have been given that Mr. Collins made 20 bird houses to sell at a carnival. He earns $15 for each bird house he sells.

To find the amount earned by Mr. Collin after selling all 20 bird houses, we need to multiply 20 by amount earned by selling each bird house.

Therefore, Mr. Collin will earn $300, if he sells all 20 bird houses.

answer: the common difference is -0.10

you can't solve x because it is 2 linear equation and you only have one equation