Question 910496
(b+j+d)/3=70
The sum of bob, john and Danny is equal to two hundred and ten. Two hundred and ten divided by three is equal to seventy. The reason i divided by three is a average is the sum of all the numbers divided by the number of numbers.
b+d=145
(145+j)/3=70
145/3+j/3=70
j=65
210/3=70