please tell me what is ratio and proportion with examples, please..
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ratio can be written in three different ways and all are read as "the ratio of x to y"
xtoyxtoy
x:yx:y
xyxy
A proportion on the other hand is an equation that says that two ratios are equivalent. For instance if one package of cookie mix results in 20 cookies than that would be the same as to say that two packages will result in 40 cookies.
201=402201=402
A proportion is read as "x is to y as z is to w"
xy=zwwherey,w≠0xy=zwwherey,w≠0
If one number in a proportion
xtoyxtoy
x:yx:y
xyxy
A proportion on the other hand is an equation that says that two ratios are equivalent. For instance if one package of cookie mix results in 20 cookies than that would be the same as to say that two packages will result in 40 cookies.
201=402201=402
A proportion is read as "x is to y as z is to w"
xy=zwwherey,w≠0xy=zwwherey,w≠0
If one number in a proportion
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