Answer:
25 divided by 5 = 5, so the unit rate is 5 circuit boards every minute.
She spent $7.44 because 3.28 + 1.27 + 0.56 + 2.33 = 7.44
The expression to find the number of notebooks James bought would be written as:
Number of notebooks = total spent / cost per item
Number of notebooks = (2y^2 + 6) / <span>(y^2 − 1)
</span><span>If y = 3, then the number of notebooks bought would be:
</span>Number of notebooks = (2y^2 + 6) / (y^2 − 1)
Number of notebooks = (2(3)^2 + 6) / (3^2 − 1)
Number of notebooks = 3 pieces<span>
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You need to change 17% to decimal by moving the decimal to the right by 2x
so you will get .17*800=136
60x1.15=69
Retail price is $69