Mary has a bag with 80 pieces of candy. She gives ¼ of her candy to John and 10% to Lisa. How much more candy did she give to John then Lisa?


Answer 1


12 pieces

Step-by-step explanation:

80 pieces of candy

1/4 is 25% or 20 pieces of candy

10% would be 8 pieces of candy

subtract the two. Your answer is 12

Answer 2


He had 14 more pieces

Step-by-step explanation:

So 80/4 is 20 pieces. So we know John has 20. Now she has 60 left since 80-20 is 60. Now 10 percent of 60 would be 6 pieces. We can subtract 6 from 20 to find out how many more pieces John had. 20-6 is 14. So John had 14 more than Lisa

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I need help finding the domain and range, I already know is not a function​



Domain: [-4, 4]

Range: [-3, 5]

Function? No

Step-by-step explanation:

Domain is all x-values that can be inputted in the graph that returns an output.

Range is all y-values that are outputted when x is inputted.

A function has to pass the Vertical Line Test.

Yolanda is preparing a liquid fertilizer that she will use on her lawn. she mixes 4 tablespoons of liquid fertilzer with 6 gallons of water. using this ratio, how many gallons of water should be mixed with each tablespoon of liquid fertilizer?A. 1.5 gallons
B. 2.0 gallons
C. 4.6 gallons
D. 5.0 gallons
E. 6.6 gallons



D 5.0 gallons

Step-by-step explanation:

Final answer:

The ratio of water to fertilizer used by Yolanda is 6 gallons to 4 tablespoons. Dividing 6 by 4 gives us 1.5 gallons of water per tablespoon of fertilizer. So, for each tablespoon of fertilizer, Yolanda should mix 1.5 gallons of water.


Yolanda's process of mixing liquid fertilizer with water creates an important ratio. In this case, she uses 4 tablespoons of fertilizer for 6 gallons of water. When we wish to find out how many gallons of water should be mixed with each tablespoon of fertilizer, we need to divide the total gallons of water by the number of tablespoons of fertilizer used to get the amount of water per tablespoon of fertilizer.

So, this can be calculated by taking the Ratio of 6 gallons of water to 4 tablespoons of fertilizer, i.e., 6/4. This simplifies to 1.5 gallons of water per tablespoon of fertilizer. Therefore, the answer is: (A) 1.5 gallons of water should be mixed with each tablespoon of liquid fertilizer.

Learn more about Ratio here:


I will really appreciate the help because i’m stuck and need this as soon as possible This problem uses the notion that to find the closest distance from a point to a line we need the perpendicular line joining them. The idea is that the plane is heading in some direction, if we treat the takeoff point as the origin (0,0), we can make an equation of a line to the destination. Then we need to take the slope of that line, find its negative reciprocal to build a perpendicular slope, and then use that new perpendicular slope and the point where the mountain is to make a NEW line. Then we find the intersection of these two lines, a system of equations, (preferably by an algebraic process like substitution or elimination) to find the time at which the plane will be closest to the mountain on its path toward its destination.

the problem:

You're flying from Joint Base Lewis-McChord (JBLM) to an undisclosed location 245 km south and 237 km east. Mt. Rainier is located approximately 56 km east and 40 km south of JBLM. If you are flying at a constant speed of 800km / hr how long after you depart JBLM will you be the closest to Mt. Rainier?