What expression could represent the perimeter of a rectangle with a length of (20x + 8) and a width of (2x)
44x +16
200
3 - 10b = 23
b=-2
200
x - 3x + 1 + 5 = 8
x = -1
200
8y - 3 = 6y + 17
y = 10
200
-3x + 4y - 2y + 5x - 10
2x +2y -10
200
On a beach trip, Lucy rents a bike from
“Wheels by the Waves”, where they rent bikes
for $12 plus $3 per hour. If Lucy spent $30,
how many hours (h) did she rent a bike?
6 hours
300
-(1/2)x + 4 = 8
x = -8
300
4x + 2 - 7x - 10 = 4
x = -4
300
6x + 5 - 2x = 3x + 26
x = 21
300
3d + 18 = 18 - 3d
d=0
300
James bought a cheeseburger, fries and a drink for dinner. The cheeseburger was three
times the price of the fries, and the drink and the fries were the same price. If the entire meal
cost $12.50, what was the price of the cheeseburger?
$7.50
400
10 - (4/3)t = 2
t = 6
400
(3/4)x - 5 - (1/2)x = 3
x = 32
400
3x - 4 + 2x + 2 = 3x + 1
x = 3/2
400
10xy - x + 7y + 3x - 12y
10xy + 2x - 5y
400
While at the beach, Daniel buys lunch for
his family from a food stand. He purchases
one hot dog for $2.50 and 3 hamburgers. If he
spent $13 total, write and solve an equation to
find h, the amount each hamburger cost.
h = $3.50
500
7x + 19 = 21
x = 2/7
500
3x + 8 - 2x + x - 18 = 10
x = 10
500
(1/2)x + 3 = 5 - (3/2)x
x = 1
500
6xy + 2xz - 4xy + 5x - 7xz
2xy - 5xz + 5x
500
The water temperature at the beach started
at 82 degrees, and it is rising 0.6 degrees
each hour. If the water temperature is now 85
degrees, write and solve an equation to find h,
the number of hours that have passed.