Mathematics, 29.01.2020 01:06 ernest214

Mark bought a tshirt for d dollars. he paid 8% tax. the expression 1.08d represents the total amount that mark paid. what does the coefficient 1.08 mean in the context of this problem

Mark bought a tshirt for d dollars. he paid 8% tax. the expression 1.08d represents the total amount

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Answer from: MathChic68

The coefficient in this problem would represent the cost of the shirt with the tax!

Think about it like this

If a shirt costs 25 dollars and the tax is .08 per dollar then you would multiply 25*.08 to get two dollars

So in addition to the 25 dollars for the shirt, you would also have to pay the two dollars extra in taxes.

Meaning in total you would pay 27 dollars

So by adding the .08 to the whole which is in this case represented by 1

You would be accounting for both the price of the shirt and the tax!

Answer from: Quest

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

in this lesson, students will use double number lines and ratio reasoning to solve ratio problems. by partitioning double number lines into proportionate intervals, students will build an understanding of equivalent ratio relationships as those that are generated by multiplying or dividing two related quantities by the same number. this lesson will build upon students' prior understanding of multiplicative comparisons, number line reasoning and equivalent fractions (while highlighting the difference between equivalent fractions and equivalent ratios); and will build toward future work in this unit on building ratio tables, and work in future grades in proportionality, scaling, and expressing and graphing linear functions.

step-by-step explanation:

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

Answer from: Quest

1.30

step-by-step explanation:

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Mark bought a tshirt for d dollars. he paid 8% tax. the expression 1.08d represents the total amount...

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