Reyna wants to mail a birthday package to her cousin. The post office told her it would take $5.70 in postage to send the package. Reyna has 3 75-cent stamps and 20 45-cent stamps. Which of the following systems of inequalities correctly represents the constraints on the variables in this problem? Let x represent the 75-cent stamps and y represent the 45-cent stamps.
Help !

Question

Reyna wants to mail a birthday package to her cousin. The post office told her it would take $5.70 in postage to send the package. Reyna has 3 75-cent stamps and 20 45-cent stamps. Which of the following systems of inequalities correctly represents the constraints on the variables in this problem? Let x represent the 75-cent stamps and y represent the 45-cent stamps. 
Help !

danjs · Answer

x = # 0.75 stamps
y = # 0.45 stamps
total postage = $5.70