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What if you bought 3 pens and 5 pencils for 2.25 You paid 2.95 for 5 pens and 3 pencils How much is 1 pencil and how much is 1 pen?
where x is the cost of one pen, y is the cost of one pencil: 3x + 5y = 2.25 5x + 3y = 2.95 Just need to isolate x in the first equation: x = 2.25/3 -5y/3, or 0.75 -5y/3 then, substitute .75 -5y/3 for x in the SECOND eq. : 5(.75 - 5y/3) +3y = 2.95 Next, solve for y. then use that value to solve for x. too tired to finish...
Dave has 75 pencils . If 40 are red and 32 are green ,how many are blue?
Total no of pencil=75 Total no of red=40 Total no of green=32 40+32=72 75 -72=3 Total no of blue= 3
How many factors does 4 have?
3
How many factors does 25 have?
=3 factors=
How many hours in 3 hours?
There are 3 hours in 3 hours.
If you bought 3 gross of pencils how many would you have 432?
A gross is equal to 144, so 3 gross of pencils would be calculated as 3 x 144, which equals 432 pencils. Therefore, if you bought 3 gross of pencils, you would indeed have 432 pencils.
If you bought 3 gross of the pencils how many would you have?
Oh, dude, if you bought 3 gross of pencils, you would have 432 pencils. Yeah, that's right, a gross is 144 pencils, so just multiply 144 by 3 and boom, you've got yourself a whole lot of pencils. Like, who even needs that many pencils, am I right?
How many is one gross of pencils?
A gross is a dozen dozen (12*12) so if you bought 3 gross you would get 12*12*3 = 432 pencils
How many pencils are 3 gross of pencils?
432 = 3 x (12 x 12) = 3 x 144 = 3 gross
If you bought 3 gross of pencils how many will you have?
A gross refers to a group of 144 items (a dozen dozen or a square dozen).144 + 144 = 288288 + 144 = 432
How many pencils in 3 gross?
144*3=432
If you brought 3 gross of pencils how many would you have?
A gross (a dozen dozen) is equal to 144. Therefore you would have 432 pencils.
If Ryan bought 3 packages of pencils Each package contains twelve pencils Michael bought twice as many pencils as Ryan bought How many pencils did Michael buy Write a number sentence?
3x12x2=72
If Shane bought 72 pencils on sale for 3 dollars he shared them equally among himself and his 5 brothers how many pencils will each boy get?
12
If pencils are bought at 35 cents per dozen and sold at 3 pencils for 10 cents the total profit on 512 dozen is?
$25.60
If pencils are bought at 35 cents per dozen and sold at 3 pencils for 10 cents the total profit on 66 pencils is?
35 cents/12 = 2.927 cents each bought at selling at ( 10/3) 3.333 cents 3.333 cents - 2.927 cents = 0.406 cents profit per pencil 0.406 cents * 66 pencils = 26.796 cents ( call it 27 cents profit on a sale of 66 pencils )
There are 3 bags with 6 pencils each how many pencils are there in all?
18 of them
