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Sagot :
Answer:
1. D
2. B
3. E
4. C
5. B
Concept:
From the three examples at the top of the page, the sum of the bottom two parts of the triangle equals to six times the value of the part at the top.
For example, the first one: 20, 10, 5 (Tip)
- 20 + 10 = 30
- 5 × 6 = 30
For example, the second one: 4, 14, 3 (Tip)
- 4 + 14 = 18
- 3 × 6 = 18
Solve:
Question 1
Given information
Tip = 15
Bottom = ?, 51
Determine the sum
15 × 6 = 90
Find the other bottom part
90 - 51 = 39
[tex]\Large\boxed{D.~39}[/tex]
Question 2
Given information
Tip = 9
Bottom = 21, ?
Determine the sum
9 × 6 = 54
Find the other bottom part
54 - 21 = 33
[tex]\Large\boxed{B.~33}[/tex]
Question 3
Given information
Tip = ?
Bottom = 60, 60
Determine the sum
60 + 60 = 120
Find the tip
120 ÷ 6 = 20
[tex]\Large\boxed{E.~20}[/tex]
Question 4
Given information
Tip = ?
Bottom = 18, 30
Determine the sum
18 + 30 = 48
Find the tip
48 ÷ 6 = 8
[tex]\Large\boxed{C.~8}[/tex]
Question 5
Given information
Tip = 12
Bottom = ?, 38
Determine the sum
12 × 6 = 72
Find the other bottom part
72 - 38 = 34
[tex]\Large\boxed{B.~34}[/tex]
Hope this helps!! :)
Please let me know if you have any questions
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