Trigonometry Worksheet With Answers - Grade 8 - Pulaski County Special School District Page 9
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15PULASKI CO. SPEC. SCHOOL DIST. – Math – Grade 8 – Module TLI Review
15. Stephanie ordered a meal and a drink at a
17. Regina’s mom gives her a $5.00 allowance
restaurant. She remembers that the drink cost
each week when she does all of her chores.
$2.45 and that she spent a total of $16.99,
She also makes $4.00 an hour babysitting the
including a tip of 18%. However, she doesn’t
neighbor’s children. Kasey doesn’t get an
remember the cost of the meal. The equation
allowance but she also makes $4.00 an hour
below represents the cost of the meal, m, in
babysitting some children in her neighborhood.
terms of the other information.
The equation below represents how to
calculate the number of hours the girls must
1.18(m + 2.45) = 16.99
work to make the same amount of money in a
week.
Which first step can Stephanie take to simplify
the equation?
4x = 5 + 4x
A. Divide both sides by 1.18.
What is the solution to the equation?
B.
Divide the left side by 1.18 and multiply
A. infinitely many solutions
the right side by 1.18.
B.
no solution
C.
Subtract 2.45 from both sides.
C.
5 hours
D. Subtract 2.45 from the left side and add
2.45 to the right side.
D. 4 hours
16. Dee is trying to solve an equation, shown as
18. Ricky bought p pounds of cucumbers at $1.25
step 1 below. Steps 2 through 4 show her
per pound. The total cost of his purchase came
process of simplifying it.
to $4.59, including $0.34 in taxes. Which
equation below can be used to find how many
3
pounds of cucumbers he bought?
Step 1: 6x + 24 =
(36 − x)
2
Step 2: 4x + 16 = 36 − x
A.
p = 4.59 + 0.34
Step 3: 5x = 52
4.59
B.
p =
− 0.34
2
Step 4: x = 10
1.25
5
C.
1.25p = 4.59 − 0.34
Which step shows the mistake made by Dee?
D. 1.25p = 4.59 + 0.34
A. Step 2
B.
Step 3
C.
Step 4
D. Dee did not make any mistakes.
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