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dalvyx [7]
3 years ago
15

A store owner want to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $12.40 per

pound should be mixed 20 pound of trail mix costing $2.80 per pound to create a mixture worth $6.00. (Round to the nearest pound)
The owner need to mix _________ pounds of chocolate
Mathematics
1 answer:
Savatey [412]3 years ago
8 0
The owner needs to mix 4lbs of chocolate
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I need a little help here !
Eduardwww [97]
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On aleks
4 0
3 years ago
For every 3 laps that Jackie swims, Ronnie swims 4 laps. During practice, they swam a combined total of 63 laps. How many laps d
Flura [38]

Answer:

36 laps Ronnie swim during practice .

Step-by-step explanation:

Let us assume that the laps that Ronnie swims be x .

Let us assume that the laps that Jackie swims be y .

As given

For every 3 laps that Jackie swims, Ronnie swims 4 laps.

i.e

3 × laps that Ronnie swims = 4 × laps that Jackie swims

3 × x = 4 × y

3x = 4y

Equation becomes

x + y  = 63

Thus by using 3x = 4y .

y = \frac{3x}{4}

Thus

x +\frac{3x}{4} = 63

4x + 3x = 63 × 4

7x = 252

x = 36

Put the value of x in the equation x + y  = 63

36 + y = 63

y = 63 - 36

y = 27

Therefore the 36 laps Ronnie swim during practice .

4 0
2 years ago
If x is located at -2 and y is located at -5, find Z such that XY is divided into a 2:1 ratio
DIA [1.3K]

Answer:

<u>z = -4</u>

Step-by-step explanation:

<u>Given</u> :

  • x = -2
  • y = -5
  • z divides xy in the ratio 2 : 1 (m : n)

<u>Solving</u> :

  • Take the section formula
  • z = [my + nx] / [m + n]
  • z = [2 x -5 + 1 x -2] / [2 + 1]
  • z = -10 - 2 / 3
  • z = -12 / 3
  • <u>z = -4 </u>
5 0
2 years ago
If the domain and range have the same number is it still a function??
Delicious77 [7]
Yes ..................
6 0
3 years ago
Look at the question! Thanks :) (please explain)
slega [8]
Find the deviation they each hae from the mean
250+the deviations=x

265 is -15 less than 250
-15

264 is -14 less than 250
-14

228 is 22 less than 250
22

add them
-15-14+22=-7

250-7=243=x

it is less than 250

answer is A

value of x=243
5 0
3 years ago
Read 2 more answers
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