Subtraction doesn't mix with mult. or div. Are you sure you've copied this problem down correctly?
"decrease an amount (x) by 19" would be x - 19 (NO multiplication here)
Answer:
1/3
Step-by-step explanation:
The total number of marbles is
6+12 = 18
P( red) = red/total
= 6/18
=1/3
250............................
Answer:
3rd
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
the answer is 10 you half to divide 40 and u get 4