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How do you answer Ray bought 15 pencils for 7.75 Some cost 45 each the rest 65 each How many of each did Ray buy. Answer step by step please?
x= # of pencils that cost .45 y= # of pencils that cost .65 So now you need 2 equations for 2 variables: 15= x+y This equation is saying: 15 total pencils bought= pencils that cost .45 + pencils that cost .65 The second equation is: 7.75= .45x + .65y This equation is saying: total money spent (7.75)= price of pencils (.45) times # of pencils + price of pencils (.65) times # of pencils Then you combine these two equations, but first switch around the first equation to look like: y=15-x Then you replace the "y" in the second equation by putting in what y equals the first equation: 7.75= .45x + .65(15-x) Then distribute and solve for x: x = 10 Then enter 10 into the first equation for x to figure out y: y= 15- 10 y= 5 So your answer is-- Ray bought 10 pencils that cost .45 and 5 pencils that cost .65
How many ways can you arrange 6 counters in equal rows?
Oh, dude, arranging 6 counters in equal rows is like a puzzle, man. So, if you're into math and stuff, there are 720 different ways you can do it. But hey, who's counting, right? Just go with the flow and arrange those counters however you like.
How do you arrange 10 plants in 5 rows and each row contains 5 plants?
by 2 rows
What are the different ways that you can arrange your windows on your desktop?
The answer will be an incredibly huge number. There are a different number of windows, each window can refer to a different application, they can be of different sizes, they can be located at different positions.
If two numbers are opposite of each other are their reciprocals also opposite of each other?
i think it is
Is it possible to arrange seven pencils in a manner such that each pencil touches every other pencil?
Yes it is. First, they must be sharpened to sharp points, then lay them in a circle with all of the points all joined in the center. Use a magnifying glass if you must ensure that each is touching all of the other six.
Why dont you see the pencils moving in towards each other?
Pencils are not attracted to each other through magnetic or gravitational forces. The pencils may appear stationary because the forces of friction between the table and the pencils prevent them from moving. Additionally, the force created by your hands placing the pencils on the table may also keep them in place.
Are two pencils actually pulling on each other?
No, two pencils are not actually pulling on each other. The force of gravity between the two pencils is negligible due to their relatively small masses. Any perceived interaction between the pencils is a result of external forces acting on them, such as friction or air resistance, rather than a gravitational pull between the pencils themselves.
If pencils cost 0.26 each could you buy four pencils with 1.00?
If pencils cost 0.26 each could you buy four pencils with 1.00?
288 pencils in 36 boxes?
288 pencils in 36 boxes, would mean 8 pencils in each box. If you had 288 pencils in each of 36 boxes, you would a total of 10,368 pencils.
What is the cost of p pencils if pencils cost 20 each and pens cost 30 each?
The cost of p pencils is 20p.
How does microbes spread through food?
When the food touches each other
How do you get a friend to date your other friend?
You can arrange a meet between them. They can be comfortable with each other when they meet.
What happens when Kobe and lebron see each other?
they exchange pp touches
Mr Dodds has 12 pencils if he gives each child 3 pencils how many children will get pencils?
4
How many pencils will be in each package if the greatest number of identical packages are made from 72 pencils and 24 calculators?
3 pencils to each calculator
There are 3 bags with 6 pencils each how many pencils are there in all?
18 of them
