Unit Test — Unit test

Question 1

Marissa bought x shirts that cost $19.99 each and y pairs of shorts that cost $14.99 each. The next day she went back to the store and bought 3 more shirts that cost $19.99 each and 4 more pairs of shorts that cost $14.99 each. Which expression represents the total amount Marissa spent?

Revolt · Accepted Answer

19.99 (x + 3) + 14.99 (y + 4)

Question 2

When 0.5(20x – 50y + 36) – 0.25(–100x + 40y – 12) is simplified, what is the resulting expression?

Revolt · Accepted Answer

mc011-4.jpg

Question 3

In the expression , what is the constant?

Revolt · Accepted Answer

Three-fourths

Question 4

Which expression is represented by the model?

Revolt · Accepted Answer

mc001-2.jpg

Question 5

After simplifying, which expressions are equivalent? Select three options.

Revolt · Accepted Answer

(3.4a – 1.7b) + (2.5a – 3.9b); (–3.9b + a) + (–1.7b + 4.9a); 5.9a – 5.6b

Unit Test — Unit test Answers

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