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3 years ago

11

Sarah's mother gives her $25 for each A she gets on her report card and $10 for each B. If Sarah's mother gave her $80 and Sarah

had 3 B's, how many A's did she have on her report card?

1 answer:

iragen [17]3 years ago

4 0

Answer:

2 A"s

Step-by-step explanation:

You take 80-30 and are left with 50 so you divide that by 25 and get 2

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The number of chairs on a ski lift is inversely proportional to the distance between them a lift has 70 chairs when there’s spac

zhannawk [14.2K]

Answer:

Space between 80 evenly spaced chairs = 21m

Step-by-step explanation:

So, according to the given statement, we have the following expression:

No. of chairs ∝ $\frac{1}{Distance.Between.chairs}$

70 chairs are 24m apart, so it can be written as:

70 ∝ $\frac{1}{24}$

For, 1 chair , we divide both sides by 70

$\frac{70}{70}$ ∝ $\frac{1}{24(70)}$

1 ∝ $\frac{1}{24 (70)}$ -----------------------(Equation 1)

<u>For 80 chairs:</u>

Multiply both sides of <em>Equation.1</em> by 80

80 ∝ $\frac{80}{24 (70)}$

80 ∝ $\frac{1}{21}$

So according to the above relation,

<em>80 evenly spaced chairs will have a space of </em><em>21 m</em><em> between them.</em>

7 0

3 years ago

balandron [24]

Answer:

A

Step-by-step explanation:

went up a positive 4 points:)

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3 years ago

The length is 5 times the width the perimeter is 84 feet what is the length and width of the rectangle

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3 years ago

How much lighter is 345 g than 1,1 kg

NemiM [27]

Answer:

755 gram lighter

Step-by-step explanation:

Convert 1.1kg into gram by multiplying it with 1000

1.1 x 1000= 1100 and we take this amount and subtract it with 345g

1100-345= 755g

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3 years ago

If a translation of (x, y) - (x + 6, y-10) is applied to

galben [10]

Answer:

B

Step-by-step explanation:

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2 years ago