X=1
5=-4y+4
4y=-1
y=-1/4
x=2
10=-4y+4
4y=-6
y=-3/2
x=3
15=-4y+4
4y=-11
y=-11/4
She can expect 522 people to take the advanced course.
Answer:20
Step-by-step explanation:4:9
9x5=45
4x5=20
20:45
let width is x and length is y
x * y = area
=> 3/8 * y = 5/8
=> y = 5/8 ÷ 3/8
=> y = 5/8 * 8/3 = 5/3
the length of the rectangular parking lot is 5/8 mile.
