Question

I need help with number 4 please help

Answer 1

you have to multiply 3 by 10 and 8 by 3, then subtract them

30/80 - 24/80 = 6/80

then simplify

6/2 and 80/2

3/40

Answer 2

Answer = 3/40 mile.
1. (3/8) x 10 , (3/10) x 8 to get same denominator.
2. 6/80 can be simplified by dividing 2