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IM: 7.4.6: Increasing and Decreasing (Practice)

Posljednje ažuriranje over 1 year ago

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Pitanje 1

1.

For each diagram, decide if y is an increase or a decrease relative to x. Then determine the percent increase or decrease.

Draw diagrams to represent the following situations.

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Pitanje 2

2.

The amount of flour that the bakery used this month was a 50% increase relative to last month.

Pitanje 3

3.

The amount of flour that the bakery used this month was a 50% increase relative to last month.

Write each percent increase or decrease as a percentage of the initial amount. The first one is done for you.

"This year, there was 40% more snow than last year."

The amount of snow this year is 140% of the amount of snow last year.

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Pitanje 4

4.

This year, there were 25% fewer sunny days than last year.

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Pitanje 5

5.

Compared to last month, there was a 50% increase in the number of houses sold this month.

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Pitanje 6

6.

The runner’s time to complete the marathon was a 10% less than the time to complete the last marathon.

Pitanje 7

7.

The graph shows the relationship between the diameter and the circumference of a circle with the point (1,\pi) shown. Find 3 more points that are on the line.

Pitanje 8

8.

Priya bought x grams of flour. Clare bought \frac{3}{8} more than that. Select all equations that represent the relationship between the amount of flour that Priya bought, x, and the amount of flour that Clare bought, y.

y= \frac{3}{8}x

y=\frac{5}{8}x

y=x+\frac{3}{8}x

y=x-\frac{3}{8}x

y=\frac{11}{8}x