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3 years ago

14

A package of colored paper contains 20 pieces of yellow paper. This represents 25% of the total pieces of colored paper in the p

ackage. How many total pieces of colored paper are in the package?

1 answer:

yaroslaw [1]3 years ago

8 0

Answer: 80

Step-by-step explanation:

80x 0.25=20

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What is the meaning of maths?

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8 0

3 years ago

Read 2 more answers

You can work at most 20 hours next week. You need to earn at least $90 to cover your weekly expenses. Your dog walking job pays

Vadim26 [7]

Answer:

The answer in the procedure

Step-by-step explanation:

Let

x ----> the dog walking hours

y ----> the car washing hours

we know that

The system of linear inequalities is equal to

$x+y\leq20$ -----> inequality A

$9x+10y\geq 90$ -----> inequality B

Solve the system of inequalities by graphing

The solution is the shaded area

see the attached figure

Two possible combinations of hours are

(10,10) and (0,9)

<em>Verify</em>

For (10,10)

Substitute the value of x and the value of y in both inequalities

<em>Inequality A</em>

$10+10\leq20$

$20\leq20$ -----> is true

<em>Inequality B</em>

$9(10)+10(10)\geq 90$

$190\geq 90$ ----> is true

therefore

(10,10) is a possible solution

For (0.9)

Substitute the value of x and the value of y in both inequalities

<em>Inequality A</em>

$0+9\leq20$

$9\leq20$ -----> is true

<em>Inequality B</em>

$9(0)+10(9)\geq 90$

$90\geq 90$ ----> is true

therefore

(0,9) is a possible solution

5 0

3 years ago

Rachel jogged a long a trail that was of 1/8 mile long . she jogged the 8 times. how meny miles trail did Rachel jog in all

galben [10]

It's 1 mile. She ran an 8th if an mile. If the ran 1/8 of a mile 8 times, it adds up to 1 mile.

5 0

3 years ago

The formula to convert °C to °F is:

PolarNik [594]

Answer:

80.6

Step-by-step explanation:

F = 9/5 C + 32

F = (9/5)*27 + 32 Substitute 27 into the equation

F = 243 / 5 + 32 Multiply 9 and 27 together

F = 48.6 + 32 Divide by 5

F = 80.6 Add on 32

A very quick way to do this is to double your centigrade temperature and and 30 which you should be able to do in your head.

2*27 = 54 Add 30

54 + 30 = 84

This quick way will tell you if you get near the right answer.

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3 years ago

How do you solve -24=2r

Svetach [21]

The answer is: r = -12

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3 years ago