Question

Sarah investment in stock grew 22% to $366. how much did she invest?

Answer 1

x + 0.22x = 366
1.22x = 366
x = $300

Answer 2

A 108-inch broad is cut into two pieces. one piece is two times the length of the other. Find the length of the two pieces.
The short piece_____
The long piece_____

Answer 3

let x = one piece
2x = other piece

x + 2x = 108
3x = 108
x = 36
2x = 64

so the shorter piece is 36...longer piece is 64

Answer 4

A=yv+ty for v

Answer 5

A = y(v+t)
A/y = v + t

v = (A/y) - t

Answer 6

The perimeter of a basketball court is 90 meters and the length is 6 meters longer than twice the width . What are the length and width

Answer 7

perimeter = l + l + w + w

l = 6 + 2w

90 = (6+2w) + (6+ 2w) + w + w
90 = 12 + 4w + w +w
90 = 12 + 6w
78 = 6w
w = 13
l = 32