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svp [43]
3 years ago
11

Barney ate 21 M&M's. If he ate 15% of the bag of M&M's, how many were in the bag to start?

Mathematics
1 answer:
ryzh [129]3 years ago
5 0

Answer:

140

Step-by-step explanation:

15/100 = 21

21*100= 21000

21000/15= 140

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Kyra has a rock collection. When she puts her rocks into 2 equal plies, there are no rocks left over. When she puts her rocks in
Nat2105 [25]

Step-by-step explanation:

According to this description we need a number that can be divided by 2,3 and 4 since the amount of rocks can be described by a natural number. However if a number is divided by 4 it is divided by 2 as well since 2*2=4.

\frac{x}{4}  =  \alpha  \\  \frac{x}{2}  = 2 \alpha

If α is a natural number then 2*α is a natural number as well as the product of two natural numbers.

Which means that we need a number devided by 3 and 4.

The smallest number that fulfills this demand is 3*4=12.

Also any product of 12 with any natural number can be devided by 3, 4 and 2.

If the exercise asks for the numbers that are divided only by 2,3 and 4 these are:

{3}^{ \alpha }  \times 12 \: and \:  {4}^{ \alpha }  \times 12 \:  \\ where \:  \alpha  \: belongs \: to \: the \: set \: of \: all \: \\ natural \: numbers

8 0
3 years ago
A number squared divided by 2 and added to 16
nadya68 [22]

Answer:

Suppose the number is 4

Square of this number (4 x 4 ) = 16

Divided by 2 = 16/2 = 8

Added to 16 = 8+16 = 24

Step-by-step explanation:

4 0
3 years ago
James says 5/5 is greater than 9/10 is james correct explain
kirill [66]

Answer:

James is correct because 5/5 is 1 while 9/10 is 0.9. 1 is greater than 0.9 by 0.1 and that's why James is correct.

8 0
2 years ago
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If i have 67 apples and eat 34 and times it by 12 how much do i have?
DIA [1.3K]

67 - 34 = 33 (Since you ate 34 apples)

33*12 = 33*10 + 33*2 = 330 + 66 = 396

396 apples.

6 0
3 years ago
What is the remainder when (3x3 – 2x2 + 4x – 3) is divided by (x2 + 3x + 3)? A)30 B)3x – 11 C)28x – 36 D)28x + 30
GrogVix [38]

the answer is 28x + 30

5 0
3 years ago
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