it take him 90 hrs to plow 60 acres
Answer:

Step-by-step explanation:

Apply cross product property
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Distribute 5 through the parentheses
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Distribute 6 through the parentheses
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Move 6x to left hand side and change it's sign
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Collect like terms
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Move 30 to right hand side and change it's sign
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Calculate
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Divide both sides of the equation by 9
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Calculate
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Hope I helped!
Best regards!!
If you divide 40 and 5 it equals $8 for 1 student ticket
To solve for cos use
adjacent over hypotenuse
divide the lengths of the sides
adj. / hyp.