Three positive integers a, b and c are such that 1/a + 2/b = 1/c + 1/2. 1. Make c the subject of the formula. 2. If a=3, find the possible values if b and c. Note: how...
Three positive integers a, b and c are such that 1/a + 2/b = 1/c + 1/2. 1. Make c the subject of the formula. 2. If a=3, find the possible values if b and c. Note: how...
(1/(x-10))-(12/(x-2))=(6/(x-10)) After multiplying both sides by (x-10) I get 1-((12(x-10))/(x-2))=6 But, what's next? Plugging it into WolframAlpha it gives the next...
Equation : 6x-2 5x+9 = ____+ _____ -5 5 6 or if it makes it easier: ((6x-2) / 5) + ((5x+9)/6)...
At a concert, 2/5 of the people were men. There were 3 times as many woman as children. If there were 45 more men than children, how many people were at the concert?
there are two thirds of a pan of lasagna in the refrigerator. Bill and his friends eat half of what was left. write a number sentence and draw a model to represent the problem. How much of the pan...
how do I evaluate this expression using order of operations
One evening, Mama baked a large batch of pastries for her family, which consisted of Papa and their three children: Ed, Lisa, and Judy. During the night, Papa got up and ate 1/3 of the pastries...
Elaine walked 2/3 of the distance from home to the post office. Then she ran 1/6 of the distance and jogged the rest. What fraction of the distance did she jog? (need the working/reason please not...
Add and simplify: 7x/ (y^5z^4) + 4/ (y^4z^2)
For this problem, assume there are 5 grey females, 2 grey males, 4 white females, and 5 white males. As in the book, the biologist selects two mice randomly. (1) What is the probability of...
Joshua got a Easter. he ate one third of it, and on the next day he ate four fifths of the rest. What fraction of the Easter egg did he eat on the second day?
You and your friend are going to eat some candy. You eat 3/4 of a box of candy. Your friend eats 1/2 as much as you do. How much of a box of candy does your friend eat? When...
Paul orders 3 tacos for $ 1.53 . How many tacos can he order if he has $ 5.78 ?
Order the following fractions from least to greatest and explain your reasoning. You cannot use decimals, cross multiplication, or the common denominator. 7/13, 6/11, 7/16, 6/7 The...
Sam had 7/12 of a bag of M & M's. His friend eat 1/8 of the M & M's. How much of his bag is left?
Me and a couple of friends have been trying to solve this and cant figure it out. The problem has to do with fractions and multiplication/division we know the answer is 160. but not...
The Willis Tower previously known as The Sears Tower in Chicago is about 1,460 feet tall. If you took an elevator 0.75 the way up the tower, how far from the ground would you be in feet? How do I...
Assume that n = 13, and p = [ 4/5]. Find the probability of at least 2 successes and at least 1 failure.
The sum of 2/3 and four times a number is equal to 5/6 subtracted from five times the number. Find the number
Hi guys need help with fractions again need help fast!