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VashaNatasha [74]
3 years ago
12

Marion is making trail mix for a group camping trip. She buys 3 pounds of granola for $3 per pound and 0.75 pounds of raisins fo

r $2 per pound. What equation can you use to find the price per pound of the trail mix?
Mathematics
1 answer:
Maurinko [17]3 years ago
7 0
The answer to your Q it is 25$ that is how much is for all of the raisins and granola bars
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The ratio of the the number of Sally's stickers to the number of Eric's stickers was 3:5. Sally then brought another six sticker
Ne4ueva [31]

Answer: Eric has 20 stickers

=========================================================

Explanation:

x = number of stickers Sally starts with

y = number of stickers Eric has

x/y is the ratio of the two values. This ratio is 3/5. So x/y = 3/5 which cross multiplies to 5x = 3y. We can divide both sides by 5 to end up with x = 3y/5

"Sally the bought another six stickers" meaning she starts with x and bumps up to x+6. Eric's sticker count stays the same. The ratio is now (x+6)/y. We can replace the x with 3y/5 and simplify

(x+6)/y = (3y/5+6)/y

(x+6)/y = (3y/5+30/5)/y

(x+6)/y = [ (3y+30)/5 ]/y

(x+6)/y = (3y+30)/(5y)

Now set this equal to the new ratio 9/10 and solve for y

(3y+30)/(5y) = 9/10

10(3y+30) = 9(5y) ... cross multiply

30y+300 = 45y

300 = 45y-30y

300 = 15y

15y = 300

y = 300/15

y = 20

Eric has 20 stickers. At this point you can stop as your teacher doesn't seem to want to know Sally's count. However, I'll keep going to show how to get that value.

x = 3y/5

x = 3*20/5 ... replace y with 20

x = 60/5

x = 12

Sally starts off with 12 stickers. Note how x/y = 12/20 = 3/5 meaning that the ratio x:y = 12:20 reduces to 3:5 (divide both parts by 4)

If we add 6 stickers to Sally's count, then she now has x+6 = 12+6 = 18 stickers. It leads to the ratio 18:20 = 9:10 (divide both parts by 2). So the answer is confirmed.

8 0
3 years ago
the lines are below are parallel . if the slope of the green line is - 2/3 , what is the slope of the red line?
lina2011 [118]
If the two lines a re parallel, they would have the same slop which means the red line would have a slope of - 2/3
3 0
3 years ago
2. Which is a true statement about the table below?<br> Please answer honestly
Setler [38]

Answer:

A. it is a function because each input value has exactly one output.

Step-by-step explanation:

A relation is considered to be a function when each domain value (input), X, of the function has exactly one range value (output), Y, that is related to it. This means a domain value, X, (input) of a function cannot have two different range values (output) that are related to it.

However, two or more different domain values (input) can give the same range value (output).

The table of values given shows different input values, of which each has exactly one output value. However, the different input values give the same output.

Therefore, "it is a function because each input value has exactly one output".

6 0
2 years ago
The store offers a 20% discount) The discount price of a hat is $18. What Is the regular price? Please give an explanation or sh
Allisa [31]

Answer: $38

Step-by-step explanation:

you have add 20 & 18 which would give you 38

5 0
2 years ago
Find x using completing the square method<br> x^2+16n+28 = 0
Nezavi [6.7K]

Answer:

x=√−16n−28 or x=−√−16n−28

Step-by-step explanation:

Step 1: Add -16n to both sides.

x2+16n+28+−16n=0+−16n

x2+28=−16n

Step 2: Add -28 to both sides.

x2+28+−28=−16n+−28

x2=−16n−28

Step 3: Take square root.

x=√−16n−28 or x=−√−16n−28

8 0
3 years ago
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