If x:y = 11:8 and z:y=6:7 i)calculate x:y:z
ii)x:z

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step-by-step explanation:

it's is b

you just switch the numbers basically so it would be 3/17

proportions are fractions that equal to each other. so if two fractions are the same, they are proportional.

let's check the answers to see if they are proportional.

question a is not proportional because you can't turn 1.5/3 to 3/9. if you try to multiply 1.5/3 by 2 or 3, you wont get 3/9. it's impossible to make the fractions the same.

question b is not proportional because you can't turn 22/33 to 4/6. 33 can't go into 6.

question c is proportional because when you multiply 2 and 3 by 71, you would get 142/213, and those fractions equal to each other

question d is proportional because when you divide 14 and 7 by 2, you would end up with 7/3.5, and those fractions equal to each other.

this "question" looks more like a project is there any other info you can give me about this. it could be too complex for someone else to do on this website