Jessica bought 2 eggs that cost her $5, how much does one egg cost?
$2.5
200
What are x does not equal to 5 and 2 in the expression of 1/x-5+1/x-2 called?
Non-Permissible Value
200
3/(x-3)(x+3)+3/(x^2-9)
6/x^2-9
200
(1/x) * [2x/(x+1)]
2/(x+1)
200
6/t + t/2 = -4
-2, -6
200
It takes Jill 3 hours to make sandwiches for a charity organization (as many as they need). Allie starts one hour later and (if she were working alone) it would take her 4 hours to make the sandwiches needed. How long will it take both of them working together to complete the job?
8/7
300
What is the absolute value? Give 3 examples.
N is the positive real number equal to a given real but disregarding its sign. Written lxl. where r is positive, lrl=r=l-rl
300
(7x+1)/x + (5x-2)/x
(12x-1)/x
300
4x/2 * 8(x+2)/16
(x^2+2x)/16
300
2/(x+3) = 1/(x+1)
5
300
Shalini can run 3 miles per hour faster than her sister Meena can walk. If Shalini ran 12 miles in the same time it took Meena to walk 8 miles, what is the speed of each sister in this case?
6
400
What is the difference between expression and equation?
Expression does not have an equal sign and equation has an equal sign.
400
3/(x^2-9) + 4/(x^2-6x+9)
(7x+3)/(x-3)^2 * (x+3)
400
1/(x+2) / 1/(x+2)
1
400
x/(x-9) - 36/(x^2-14x+45) = 2/(x-5)
-2, 9
400
A group of girls decided to go on a trip to the beach and the organizer said that the bus would cost $360 to rent. The organizer also told them that if they got 3 more girls to go on the trip, each girl could pay $6 less (which they ended up doing). How many girls ended up going on the trip?
15
500
What is the point called if the points stay the same on both 2x-5=1 and 1/2x-5=1?
Invariant Point
500
2x/xy + 4/x^2 - 3
(2x^2+4y-3x^2y)/x^2y
500
(x+1)/(x-1)(x+2) / x/(x^2-1)
(x^2-1)/(x^2+2x)
500
(x+2)/(3x+2) = (x+3)/(x-1)
-1, -4
500
One pipe can fill a pool 2 times faster than a second pipe. When both pipes are opened, they fill the pool in three hours. How long would it take to fill the pool if only the slower pipe is used?