Bob left for the store going 45mi/hr. 15 min. later Sue left going 60 mi/hr. How long did it take Sue to catch up with Bob?
What is 1 hour
100
(a+b)/x = c Solve for x
What is (a+b)/c
100
(2x+3)(x-2)=2x^2
What is x=1
200
(2xy)(3x^2y^3)
What is 6x^3y^4
200
(4x^3 + 5x^2 -2x+3) - (3x^2 +2x +3)
What is 4x^3 + 2x^2 -4x
200
Bob and Sue jump in the lake at the same time. Bob swims 15km/hr. and Sue swims 10km/hr. They meet in the middle of the lake. The lake is 10 km wide. How long did they swim? (express answer in minutes).
What is 24 minutes.
200
ax+b=c
What is (c-b)/a
200
(3x+2)(x-1) = (3x-3)(x+4)
What is x=-1
300
(3xy)(6x^2)(1/2y^3)
What is 8x^3y^4
300
(4x-3)(2x+5)
What is 8x^2 + 14x - 15
300
A rectangle's length is 3 times its width. Its length and width are decreased by 4. The rectangle lost an area of 96 inches squared. What is the length and width of the original rectangle?
What is 5 and 15 inches.
300
a(x+2)=b; solve for x
What is x = b/a - 2
300
x(2x-1) = 2x^2 + 10
What is x = -10
400
1/2 (4x^2y^3)^2
What is 8x^4y^6
400
(4x^2 - 3x + 2) (2x+1)
What is 4x^3 -2x^2 +x +2
400
A circular flower bed has a radius of 3 ft. Around it is a stone border of .5 ft. wide. The area of the stone border is 2.5 pi. ft. squared. What is the area of the flower bed. (you DO NOT have to use 3.14 for pi)
What is 3.25 pi.
400
x(a+b)-c = d; solve for x
What is (d+c)/(a+b)
400
(4x+1)^2 = (2x+2)(8x-3)
What is x = 1
500
(1/3x^3)(3y^2)^4
What is 27x^3y^8
500
(5x+3)^3
What is 125x^3 +225x^2 +135x +27
500
A square sandbox has a width of x. It is surrounded by a wooden border that is 3 ft. wide. The area of the border is 84 square feet. What are the dimensions of the sandbox?