Question

Show that, 5 is a factor of sum of 20 and 35 as well as factor of the difference of 35 and 20.​

Answer 1

Answer:

20=2×2×5

35=5×7

SO,

20+35 will also have 5 as its factor

and

35-20 will also have 5 as its factor

Hope It Helps You.....................................

Answer 2

Answer:

20+35=55, 55÷5=11 then 35-20=15 and 15÷5=3