Question

The sum of three consecutive multiples of 5 is 65. find the number​

Answer 1

Answer:

let the no. be x

then the three no's are

x, x+5, x+10

and their sum is 65

= x+(x+5)+(x+10) =65

=3x+ 15= 65

=3x=50

=x=50/3

=x=16.67

Answer 2

Answer:

let the number be x

and x+5 =65

x= 65-5=60

So x =60 And...