Question

What is the sum of first 10 multiples of 7

Answer 1

Answer:

31.5

Step-by-step explanation:

one number=X

other9multiples of 7=X,X+7,X+14,

X+21,X+28,X+35,X+42,X+49,X+56,X+63

10x=315

X=315/10

X=31.5