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Aleksandr-060686 [28]
3 years ago
11

It cost Naomi $7.70 to send 154 text messages how many text messages did she send if she spent $5.25

Mathematics
1 answer:
igomit [66]3 years ago
8 0

Answer:

105 text messages

Step-by-step explanation:

7.70 divied by 154 = 0.05

0.05 per text massage

5.25 divided by 0.05 = 105

to check work:

105 times 0.05 = 5.25

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10q-30 is equivalent to what ?
butalik [34]

Answer:

10(q-3)

last option

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Step-by-step explanation:

The expression states 10q-30

The GCF is 10 (30 GCF by 10 Is 10)

Factor out 10

After, divide all the terms by 10

10 (10q/10) - 30/10

Simplify this and we get

10(q-3)

so in conclusion, it is the last option.

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The quotient of seven and p

7 / p

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9.1k = 63.7 what does this equal
zheka24 [161]

Step-by-step explanation:

9.1k=64.7

Find k

64.7/9.1=7

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9.1(7)=64.7

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Divide

1.02 or 1 1/50

Hope that helps somewhat

5 0
3 years ago
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The listed price of the video game was $34, but the price with tax came to $37.40. Find the percent sales tax.
Katarina [22]

Answer:

10%

Step-by-step explanation:

we want to find what % of 34 is 37.40

so, we will use the following equation:

\frac{part}{whole} = \frac{percent}{100}

for this scenario:

part = 37.40

whole = 34

percent = x

now plug in:

\frac{37.40}{34} = \frac{x}{100}                         cross multiply

34x = (37.40)(100)

34x = 3740                      divide both sides by 34

x = 110%

now we know that with tax, we paid 110% of the video game's price

110 - 100 = 10%

so the percent sales tax is 10%

<u>just to check... </u>

34 • 1.10 = $37.40

or

34 • .10 = 3.40

34 + 3.40 = 37.40

8 0
3 years ago
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