Linear equations and problem solving
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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A number is 5 less then 2 times another number.The sum of these numbers is 100. | x+y=100 2x-5=y use the substitution method. x+(2x-5)=100 x=35 y=65
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A rectangle has a perimeter of 124cm. The length is 4 more than 2 times the width. | 2L+2W=124cm 2W+4=L use the substitution method. The width is 20 and the length is 42
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Rob bought 3 adult tickets and 4 childrens tickets for $76.00. Susan bought 2 adult and 3 childrens tickets for $54.00. How much is one adult ticket and one childrens ticket? | 3A+4B=$76.00 2A+3B=$54.00 use the Addtion method to isolate a or b then solve A=12 and B=10
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Two angles that are complementry total 90 degrees. One angle is 2 time the second angle. | A+B=90 degrees 2A=B use the substitution method A=30 B=60
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The company spent $7000 on new equipment supplies to make chairs. Each chair will cost $210 to make. Each will sell for $460. How many chairs will the company have to sell inorder to break even? | 7000+210x=460x -210 -210 7000=250x divide both sides by 250 X=28 chairs
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
jphimister
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