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2. Cole needs to buy a new pair of sneakers for $87.21. If the sales tax is 4.2%, how
much sales tax will Cole pay on his new sneakers?
A $3.66
B $366.28
C $83.01
D $4.87
3. Last year Jacob made $4,500 at his summer job. This year he only made
$2,921. What is the percent decrease?
A 40%
B 25%
C 65%
D 35%
4. Jane bought a new sweater. It was priced at $56.00 and there was a 40%
discount. Jane gave the cashier $60. What was her change?
A $52
B Jane did not get any change.
C $26.40
D $33.60
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answered
2. To find the sales tax, multiply the cost of the sneakers by the tax rate: $87.21 * 4.2% = $87.21 * 0.042 = $3.66. So Cole will pay $3.66 in sales tax. The correct answer is A.
3. To find the percent decrease, first find the difference in earnings: $4,500 - $2,921 = $1,579. Then, divide that by the original amount and multiply by 100: ($1,579 / $4,500) * 100 = 35%. The correct answer is D.
4. To find the discount, multiply the price by the discount rate: $56 * 40% = $56 * 0.4 = $22.40. Then subtract the discount from the original price: $56 - $22.40 = $33.60. Jane paid $60, so her change is: $60 - $33.60 = $26.40. The correct answer is C.