Question

if 40 of the sum is 280. what is the sum​

Answer 1

Answer:

7

Step-by-step explanation:

Let sum be x

40 of x=280

40×x=280

40x=280

x=7

Answer 2

Answer:

Let the sum be x

40 of x = 280

40*x = 280

40x = 280

x = 280/40

x = 7