Answer:
40
Step-by-step explanation:
So if you add 5 to 75 you get 80 so that means there were 80 matches all then you divide 80 by 2 and voila 40!
Hoped this helped
P.s. Can I get a happy bday my bday is tmmr
20, 11
x=first Number
x-9=second number
above two added together=31 or
x+(x-9)=31
2x=40
x=20 first number
20-9=11 second number
20 (first number) + 11 (second number)=31
31=31
2 2/5 miles
maybe 88.5
calculator is god