Tell which equation you would use to isolate a variable. Explain your reasoning.
Question 3
3.
Solve the linear system using substitution. SHOW YOUR WORK
Type in your ordered pair for your answer here:
Question 4
4.
Solve the linear system using substitution. SHOW YOUR WORK
Type in your ordered pair for your answer here:
Question 5
5.
Solve the linear system using substitution. SHOW YOUR WORK
Type in your ordered pair for your answer here:
Question 6
6.
Solve the linear system using substitution. SHOW YOUR WORK
Type in your ordered pair for your answer here:
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.
Question 8
8.
How many pairs of sticks did he buy? SHOW YOUR WORK
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.
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)
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)
Question 12
12.
How many households did you mow the lawn for? SHOW YOUR WORK
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.
