Errormance Task Algebraic Expressions:
Simplifying Sales Tax
Weston is shopping for a new backpack. The backpack he wants costs $25.95. The sales tax in
Weston's city is 6%. What are two different expressions that could be used to calculate the total
cost of the backpack?
• Write two expressions to represent the price of the backpack, b, plus 6% of the cost: the
first expression as a sum and the second as a product.
Complete the table showing equivalent expressions and the total cost of different
backpacks in places with a different sales tax.
.
Expression 1 (sum)
Total
Expression 2 (product) Cost (5)
Backpack
Price
$15.50
$18.75
$20.99
$28.25
$33.40
$40.95
Sales
Tax
8%
15%
4%
6%
5%
9%
• Explain what the simplified expression means in terms of the original cost of the
backpack.

answer: for each 3 girls there is 2 boys . 3: 2

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we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

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answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %