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Deffense [45]
3 years ago
15

Kelly spends $63.90 on items for a party. She buys thank you cards that cost $5.40 (including tax). She also buys gift bags that

cost $11.70 each. If she buys one gift bag for each guest, how many guests did Kelly invite to the party?
A.
6
B.
5
C.
8
D.
4
Mathematics
2 answers:
Klio2033 [76]3 years ago
8 0
$63.90 (total)

$5.40 (cards)

$11.70/per (bags)

$63.90 - $5.40 = $58.50

$58.50 / $11.70 = 5

She invited 5 guests (b).
Brut [27]3 years ago
3 0
Ok, so 2 solutions, 1 is if buy cards for every guest
other is if buy only 1 gift card

1st one

63.9=5.4x+11.7x
63.9=17.1x
divide both sides by 17.1
crazydecimal=x
wrong, yo can't buy a decimal amount of cads


2nd
63.9=5.4+11.7x
minus 5.4 both sides
59.5=11.7x
divide both sides by 11.7
5=x

5 guests

B is answer
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Answer:

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Step-by-step explanation:

We have been given that Jane uses 2/5 of an ounce of lupine seeds for every ounce of Marigold seeds. We are asked to find the ounces of Marigold seeds, which Jane will use, if she used one ounce of lupine seeds.  

We will use proportions to solve our given problem.  

\frac{\text{Marigold seeds}}{\text{Lupine seeds}}=\frac{1}{\frac{2}{5}}

Let us simplify our proportion as shown below:

\frac{\text{Marigold seeds}}{\text{Lupine seeds}}=\frac{1\cdot 5}{2}

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Since Jane used 1 pounce of lupine seeds, so we will substitute this value in our proportion as:

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\text{Marigold seeds}}=\frac{5}{2}

Therefore, Jane will use \frac{5}{2} ounces of marigold seeds, if she used one ounce of lupine seeds.

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