explain to make a apple pie you need 2 pounds of apples how many pounds do i need to make 20 apple pies

Mathematics

2 answers:

Andrews [41]3 years ago

7 0

You do 2x20 which is basically 2x2 (4) add a zero and your answer is 40

Anna71 [15]3 years ago

6 0

You will do 20x2 so if 2x2 is 4 add a zero to the end to represent you answer which should be 40.

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Convert the ratio 56: 80 to a percentage

zysi [14]

Change the ratio into a fraction

56:80 is the same as 56/80

Divide, make it a decimal

56/80 = 0.7

0.7 = 7/10 or 70/100

70/100 = 70%

70% is your answer

hope this helps

8 0

3 years ago

If the sum of 4040 consecutive integer numbers is 2020, find out the absolute difference between the first number and the last n

bearhunter [10]

Let $x$ be the smallest of the consecutive integers summing to 2020. Then the largest integer in the sum is $x+4039,$ so our answer is $\boxed{4039}.$

For completeness, though, let's solve for the value of $x$ that satisfies the conditions of the problem. Recall that the sum of an arithmetic series with first term $a_1,$ last term $a_n,$ and $n$ terms, is $\frac{n(a_1+a_n)}{2}.$ Plugging in our known values gives us the equation $\frac{4040(2x+4039)}{2}=2020,$ which simplifies to $2x+4039=1.$ Thus, $x=-2019,$ so the 4040 consecutive integers are $-2019,-2018,\dots,-1,0,1,\dots,2018,2019,2020.$ Notice how everything except the $2020$ cancels out!