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3 years ago

charges $15 for every 5 bags of leaves he rakes. Last weekend, he raked 21 bags of leaves. How much money did he earn?

Mathematics

1 answer:

kiruha [24]3 years ago

8 0

Answer:

Step-by-step explanation:

$15 / 5 bags = $3 per bag

21 ( $3 per bag) = $63

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An electrician can wire a house in 20 hours. if she works with an apprentice, the same job can be completed in 12 hours. how lon

AlekseyPX

We know that
<span>An electrician can wire a house in ------------> 20 hours
so
100%----------------> 20 hours
X-------------------> 12 hour
x=12*100/20----> x=60%

that means
</span><span>the apprentice in 12 hours complete the (100-60)----> 40%

</span>the apprentice in 12 hours complete -------> 40%
x hours------------------------------------> 100%
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the answer is
30 hours

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Dahasolnce [82]

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2 years ago

What is a reasonable estimate for the solution? O (1,-3/4) O (-3/4,1) O (-1,3/4) O (3/4,-1)

Zina [86]

Answer:

See Explanation

Step-by-step explanation:

Your question is incomplete, as the equations or graph or table(s) were not given.

However, I'll give a general way of solving this.

Take for instance, the equations are:

$y = \frac{4}{3}x - 1$

$y = \frac{2}{3}x - \frac{1}{2}$

To do this, we start by equating both equations.

$y = y$

i.e.

$\frac{4}{3}x - 1= \frac{2}{3}x - \frac{1}{2}$

Collect Like Terms

$\frac{4}{3}x - \frac{2}{3}x= 1 - \frac{1}{2}$

Take LCM

$\frac{4x- 2x}{3}= \frac{2 - 1}{2}$

$\frac{2x}{3}= \frac{1}{2}$

Cross Multiply

$2x * 2 = 3 * 1$

$4x = 3$

Make x the subject

$x = \frac{3}{4}$

Substitute 3/4 for x in $y = \frac{4}{3}x - 1$

$y = \frac{4}{3} * \frac{3}{4} - 1$

$y = 1 - 1$

$y = 0$

Hence:

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3 years ago

James earned a total of $900 this week. this total was $20 less than four times the amount he earned last week. how much money d

Vladimir [108]

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</span>

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3 years ago