The First one is the answer.
28x+20y =14*4 = 56
28x + 21y = 9*7 =56
=> y=0, x = 2
Answer: B. x = 150
Step-by-step explanation:
x/5 = 30
x = 30 * 5
x = 150
, where s is equal to the number of students attending and x is equal to the week number.
It’s A I’m pretty sure it’s right