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3 years ago

13

Banners at the store were on sale for $3 off the regular price. Billy bought 4 banners on sale and paid a total of $20. Write an

equation to determine the regular price of one banner.

1 answer:

zimovet [89]3 years ago

3 0

Answer: if it's -3 of the regular price you add 3 which would give you 6. Billy is wrong because he only added one to 3

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Mike thought of a number. He added to it to two other numbers. One of these numbers was 12 less than his number, the other was 1

Inessa [10]

Answer:

number 1 + number 2 + number 3 = 15

Number 1 = x + 12

Number 2 = x - 12

Number 3 = x

(x + 12) + (x - 12) + x = 15

x + 12 + x - 12 + x = 15

x + x + x +12 -12 = 15

3x = 15

x = 15/3 = 5

Check:

Number 1 = 17

Number 2 = 5 -12 = -7

Number = 5

number 1 + number 2 + number 3 = 15

17 + (-7) + 5 = 15

10 + 5 = 15

15 = 15

Answer is 5

Step-by-step explanation:

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3 years ago

27(n+4)+18n=7(n-18)-40n So confused can yall help me?

Sedbober [7]

Answer:

this is your answer!! n=-3

Step-by-step explanation:

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3 years ago

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If male and female college students work an average of 15 hours per week during the school year and the standard deviation is 5.

ki77a [65]

The variance of hours males spend working is almost two times as large as females. 60% of those females are more likely to work between 12.7 to 17.3 hours while 60% of the males work between 9.6 to 20.3 hours based on one standard deviation.

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4 years ago

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Allen's daily regular wage is P1,420. This coming Christmas, his boss is asking him to work for 14 hours. How much is his DAILY

VMariaS [17]

Using proportions, it is found that his DAILY RATE on that particular day is of Php 2,420 .

This question is solved by proportions, using a <em>rule of three.</em>

In a regular 8-hour day, Allen earns Php 1420. How much will he earn on a 14 hour day?

The <em>rule of three</em> is:

8 hours - Php 1420

14 hours - x

Applying cross multiplication:

$8x = 1420 \times 14$

$x = \frac{1420 \times 14}{8}$

$x = 2485$

The closest option is Php 2,420.

A similar problem is given at brainly.com/question/24372153

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