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Biblioteka

Open Up - Grade 7 - Mathematics - Unit 6 - Lesson 14

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"Source: Open Up Resouces (Download for free at openupresources.org.)"

Pitanje 1
1.

What is the solution to 5 - 3x > 35

Which solution is correct?

Pitanje 2
2.

The school band director determined from past experience that if they charge t dollars for a ticket to the concert, they can expect attendance of 1000 - 50t. The director used this model to figure out that the ticket price needs to be $8 or greater in order for at least 600 to attend.

Do you agree with this claim?

Pitanje 3
3.

The school band director determined from past experience that if they charge t dollars for a ticket to the concert, they can expect attendance of 1000 - 50t. The director used this model to figure out that the ticket price needs to be $8 or greater in order for at least 600 to attend.

Do you agree with this claim?

Pitanje 4
4.

Which inequality is true when the value of x is -3?

Pitanje 5
5.

Draw the solution set for each of the following inequalities.

x \leq 5

Pitanje 6
6.

Draw the solution set for each of the following inequalities.

x < \frac{5}{2}

Pitanje 7
7.

Write three different equations that match the tape diagram.

Pitanje 8
8.

A baker wants to reduce the amount of sugar in his cake recipes. He decides to reduce the amount used in 1 cake by \frac{1}{2} cup. He then uses 6\frac{1}{2} cups of sugar to bake 6 cakes.

Describe how the tape diagram represents the story.

Pitanje 9
9.

A baker wants to reduce the amount of sugar in his cake recipes. He decides to reduce the amount used in 1 cake by \frac{1}{2} cup. He then uses 6\frac{1}{2} cups of sugar to bake 6 cakes.

How much sugar was originally in each cake recipe?

Pitanje 10
10.

One year ago, Clare was 4 feet 6 inches tall. Now Clare is 4 feet 10 inches tall.

By what percentage did Clare’s height increase in the last year?(Round to the nearest whole percent.)