3 years ago

The price of an 8-minute phone call is $1.20. What is the price of a 17-minute phone call?

Mathematics

1 answer:

kompoz [17]3 years ago

8 0

2.55 is the price for 17 min phone call

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Solve for u

Sergio039 [100]

U/9 = 8/12 u = 6

Step 1: Cancel the common factor (4)

u = 2
—- —-
9 3

Step 2: multiply both sides by 9

9u 2 * 9
—- = ——-
9 3

Step 3: simplify

2 *9 = 18

18 ÷ 3 = 6

u = 6

8 0

3 years ago

The music store sold 12 trumoets and 19 clarinets last month. If clariners sell for $139.95 and the store made $4,578.45 from sa

Kamila [148]

Answer:

$159.95

Step-by-step explanation:

Let price of trumphet be defined by $x$

price of clarinet = $139.95

Number of clarinets sold = 19

Earning through clarinets' sale = $19*139.95 = 2659.05$

Total earning of store = $4578.45

Earning through trumphets' sale = $4578.45 - 2659.05 = 1919.40$

price of one trumohet = $\frac{1919.40}{12} = 159.95$

price of clarinet = $159.95

7 0

3 years ago

⚠️HELP ME!!!⚠️<br> ITS URGENT (NO FUNNY ANSWERS)

Damm [24]

Answer:

They will buy 4 hotdogs and 3 drinks

Step-by-step explanation:

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3 years ago

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Simplify: 4x + 6(3x - 2)

gavmur [86]

Answer:

2 • (2x - 3) • (3x - 2)

Step-by-step explanation:

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3 years ago

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Gre4nikov [31]

Answer:

3,25-2,5=0,75 it is equal to 3/4 so D

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