Question

A consultant needs to make at least $800 this week. She earns $80 for each new written piece and $40 for each review. Which of the following inequalities represents the possible combinations of reviews and new written pieces that she must complete?

a. 80x+40y>=800
b. 80x+40y>800
c. 80x+40y<=800
d. 80x+40y<800

Answer 1

Correct answer is a. 80x+40y>=800

Answer 2

For the answer to the question above asking which of the following inequalities represents the possible combinations of reviews and new written pieces that she must complete?
You must look at the keyword "at least"
The answer is a. 80x+40y>=800