a number is 2/5 times another number if the sum of the numbers is 70 then find the numbers
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a number is 2/5 times another number if the sum of the numbers is 70 then find the numbers
Step-by-step explanation:
Let one number be x. Therefore, according to the question, the other number will be 2/5 times x, which is 2/5×x or 2x/5
According to the question:
x+(2x/5)=70
=)(5x+2x)/5=70
=)5x+2x=70×5
=)7x= 350
=) x = 350/7
=)x= 50
Therefore 2x/5 = (2×50)/5 = 100/5 = 20
Therefore the numbers are 50 and 20
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