Answer:
31
Step-by-step explanation:
x, x+1, x+2
x + x + 1 +x + 2 = 90
3x + 3 = 90
-3 -3
3x = 87
/3 /3
x = 29
29 + 2 = 31
Opposite number is the same number with the opposite sign:
So the opposite of

is

, since the original number is positive
opposite of

is

, since the original number is negative
Answer:
4. x=14.1 mi 6.x=8r3 km
Step-by-step explanation:
Answer:
Step-by-step explanation:
Td
If the fraction is 7/8, the top number would be the numerator. So the numerator is 7.