Difference 7548

The difference between every two adjacent numbers equals three in a series of four numbers. The sum of these numbers is 60. Specify these numbers.

Correct answer:

a =  10.5
b =  13.5
c =  16.5
d =  19.5

Step-by-step explanation:


a+(a+3)+(a+6)+(a+9) = 60

4a = 42


a = 42/4 = 10.5

a = 21/2 = 10.5

Our simple equation calculator calculates it.
b=a+3=10.5+3=13.5
c=b+3=13.5+3=16.5
d=c+3=16.5+3=19.5



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