There are 30 people at a meeting, They each shake hands with everyone. How many
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For 175 : 250 divide them both by 25 to get 
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25 goes into 175 > 7 times > 25 into 250 is 10 times! >
For the second one 16 : 40 just divide the top and bottom by 8 since 8 is a common factor of both which will give us
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8 goes into 16, 2 times and 40, 5 times.
25 goes into 175 > 7 times > 25 into 250 is 10 times! >
For the second one 16 : 40 just divide the top and bottom by 8 since 8 is a common factor of both which will give us
8 goes into 16, 2 times and 40, 5 times.