jerrythebeast jerrythebeast

06-01-2016
Mathematics

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x/42=3/7 using two different strategies

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Аноним Аноним

06-01-2016

x/42 = 3/7

One way:-

Cross multiply

x*7 = 7
42*3 = 126

7x = 126

7x/7 = 126/7
x= 18

Final answer: x= 18

Another way:-

x/42 = 3/7

7 times what equals 42? 6

3*6 = 18

Final answer: x= 18

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