Answer:
31/40
Step-by-step explanation:
13/40 + 18/40
A. n+4=n/2
B. cannot be the answer because it is subtracting instead of adding.
C. cannot be the answer because half of the number is supposed to go after the equal sign.
D. cannot be the answer because the half of the number part did not go before adding the number. Also, it's subtracting instead of adding.
Step-by-step explanation:
after one hour red is 18 inches
blue is 7 inches
after two hour
Answer:
I don't see anything
Step-by-step explanation:
1 way

⇔ x = 16
......................................................
2.way

<span>We multiply the cross
</span>