Check whether the following is in proportion or not. a. 20, 18, 7,8 b. 3.6, 0.4, 4.5, 0.5
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Answer:
a) it is not in proportion
b) it is in proportion
Step-by-step explanation:
a) 20, 18, 7, 8
product of mean=product of extreme
20*8=18*7
160 is not equal to 126.
b) 3.6, 0.4, 4.5, 0.5
product of mean=product of extreme
3.6*0.5=0.4*4.5
1.8=1.8
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