Tell which equation you would use to isolate a variable. Explain your reasoning.
1 point
1
Question 3
3.
Solve the linear system using substitution. SHOW YOUR WORK
Type in your ordered pair for your answer here:
1 point
1
Question 4
4.
Solve the linear system using substitution. SHOW YOUR WORK
Type in your ordered pair for your answer here:
1 point
1
Question 5
5.
Solve the linear system using substitution. SHOW YOUR WORK
Type in your ordered pair for your answer here:
1 point
1
Question 6
6.
Solve the linear system using substitution. SHOW YOUR WORK
Type in your ordered pair for your answer here:
1 point
1
Question 7
7.
Solve the linear system using substitution. SHOW YOUR WORK
Type in your ordered pair for your answer here:
A drummer is stocking up on drum sticks and brushes. The wood sticks he buys are $10.50 a pair and the brushes are $24. He ends up spending $90 on sticks and brushes and buys two times as many pairs of sticks as brushes.
1 point
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Question 8
8.
How many pairs of sticks did he buy? SHOW YOUR WORK
1 point
1
Question 9
9.
How many brushes did he buy? SHOW YOUR WORK
Last year you mowed grass and shoveled snow for 12 households. You earned $225 for mowing a household's lawn for the entire year and you earned $200 for shoveling a household's walk and driveway for an entire year. You earned a total of $2600 last year.
1 point
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Question 10
10.
Let x be the number of households you mowed for and let y be the number of households you shoveled for. Write an equation in x and y that shows the total number of households you worked for. (x = mow, y = shovel)
1 point
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Question 11
11.
Let x be the number of households you mowed for and let y be the number of households you shoveled for. Write an equation in x and y that shows the total amount of money you earned. (x = mow, y = shovel)
1 point
1
Question 12
12.
How many households did you mow the lawn for? SHOW YOUR WORK
1 point
1
Question 13
13.
How many households did you shovel the walk and driveway for? SHOW YOUR WORK
More practice with word problems! Choose 3 of the following to complete. Check your answers here.
