Trina got a $75 gift card to an online music store. She uses the gift card to buy an album for $15.99. She also wants to use the
gift card to buy some songs. Each song costs $1.09. Which of these inequalities describes this situation, where sis the number of songs Lin wants to buy?
A. 15.99 - 1.09s ≥ 75
B. 15.99 - 1.09s ≤ 75
C. 15.99 + 1.09s ≥ 75
D. 15.99 + 1.09s ≤ 75
135 of 225 is equal to 60%. Therefore, the remaining percent, which should equal to 100, did not wear spirit shirts. 100 - 60 = 40. Therefore, 40% of students did not wear spirit shirts on Friday.
