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Naddika [18.5K]

2 years ago

15

Jason and Jared have a lawn-mowing service. They charge $20 per hour. One lawn was 150 ft. by 100 ft. and it took 11⁄2 hours to

mow. They charged $30. How much should they charge for a similar lawn that is 300 ft. by 200 ft.?

2 answers:

rusak2 [61]2 years ago

3 0

Answer:110$

Step-by-step explanation: well 11/2 hours equals 19800 seconds and 19800 seconds equals 5 hours and a half so 20 x 5 equals 100 and ya so and half 20 is 10 so 110$

yulyashka [42]2 years ago

3 0

The correct answer is $110

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3 years ago

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3 years ago

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Give an example of a real number that is not rational.

Sever21 [200]

Answer:

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7 0

2 years ago

Use substitution to solve the following system of linear equations and fill in the following blanks:

marissa [1.9K]

Answer:

$x=-4$

$y=3$

$z=-5$

Step-by-step explanation:

<u>Given:</u>

$x+y+z=-6$

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<u>Solve for </u> $x$ <u> in the 1st equation:</u>

$x+y+z=-6$

$x+y=-z-6$

$x=-y-z-6$

<u>Substitute the value of </u> $x$ <u> into the 2nd equation and solve for </u> $z$ <u>:</u>

$x-6y-7z=-29$

$(-y-z-6)-6y-7=-29$

$-7y-z-13=-29$

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$-z=-16+7y$

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<u>Substitute the value of </u> $z$ <u> into the 3rd equation and solve for </u> $y$ <u>:</u>

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$z=16-7(3)$

$z=16-21$

$z=-5$

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$x=-(3)-(-5)-6$

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$x=2-6$

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$x=-4$

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3 years ago

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