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Fynjy0 [20]
3 years ago
8

Jenifer bought 6 packages of hotdogs and 8 packages of rolls for $41.50. A package of rolls cost $0.85 less than a package of ho

tdogs. How much did each package of hotdogs cost?
Mathematics
1 answer:
kramer3 years ago
5 0

Answer:

hotdogs 3.45

rolls 2.60

Step-by-step explanation:

6h + 8r = 41.5

r=h-.85

6h + 8(h-.85)=41.5

6h + 8h - 6.8 = 41.5

14h = 41.5 + 6.8

14h = 48.3

h=48.3/14

h=3.45

r=3.45-.85=2.6

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dolphi86 [110]
D) 36

So q is equal to -12 and P divided by Q will be equal to -3
but since you know Q you replace it with -12 and now it's gonna be P divided by -12 equal to -3
move -12 to the other side by multiplying -12 to both sides so you cancel out the -12 under P and you get to isolate P
-3 times -12 will be +36 because the two negative signs cancel out
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Definitely 3/4!

Step-by-step explanation:

Option A = 7.5

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Answer: 14:3

Step-by-step explanation:

<h3> The exercise is:</h3><h3> "Dana loves rocks! She has 6 pieces of granite, 3 pieces of marble, 14 pieces of sandstone, and 1 piece of slate. What is the ratio of pieces of sandstone to pieces of marble in Dana's collection?"</h3><h3></h3><h3> </h3>

You can use ratio to compare values.

By definition, ratios can be written in the following form:

a:b

In this case, you know that the number of  pieces of different rocks that Diana has in her collections, are:

granite=6\ pieces\\\\marble=3\ pieces\\\\sandstone=14\ pieces\\\\slate=1\ piece

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sandstone:marble\\\\14:3

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