On Tuesday at 2 p. m., the ocean's surface at the beach was at an elevation of Winston's house than the elevation of 2.2 feet. Winstons house is at an elevation of 12.1 feet. The elevation of his friend Tammys house is 3 1/2 times the elevation of Winston's house. Part C: How many times greater is the elevation of Tammy's house than the elevation of the ocean's surface at 2 p. m.?

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76%

step-by-step explanation:

24% are dogs and the remaining is 76% because 100-24=76

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional