Question

Hector has started growing orchids in a greenhouse. He has kept a record how many new blossoms his orchids have grown each week, which may be seen in the graph below. A bar graph titled New Blossoms has week on the x-axis and number on the y-axis. Week 1, 8; Week 2, 11; Week 3, 10; Week 4, 14; Week 5, 20; Week 6, 24; Week 7, 21; Week 8, 22; week 9, 18; Week 10, 18; Week 11, 16. Between which two weeks did the greatest increase in new blossoms occur? a. 1 and 2 b. 4 and 5 c. 5 and 6 d. 8 and 9.

Answer 1

The greatest increase occurred in week 4 and 5, as there was an increase of 6

we have given that,Week 1, 8; Week 2, 11; Week 3, 10; Week 4, 14; Week 5, 20; Week 6, 24; Week 7, 21; Week 8, 22; week 9, 18; Week 10, 18; Week 11, 16.

What is the formula for the difference between two weeks?

Formula for difference is,

$difference =week 1-week 2$

Therefore by using formula we get,

Week 1 and 2

Week 1: 8

Week 2: 11

11-8=3

Week 4 and 5

Week 4: 14

Week 5: 20

20-14=6

Week 5 and 6

Week 5: 20

Week 6: 24

24-20=4

Week 8 and 9

Week 8: 22

Week 9: 18

22-19=4

Therefore,the greatest increase occurred in week 4 and 5, as there was an increase of 6

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