Sharon can put up the fence in 7 hours Mary can put up the same fence in 6 hours.
The equation 1/7 + 1/6 = 1/x can be used for the
calculation of x, the time that it would take to put up the
fence if they were working on it together.
To eliminate the denominators, I multiply everything by
___X.
(I included the x; you do NOT include the x in your answer.

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244