Why are you even asking, i'll edit the answer once I know.
I think it will be w+15 because if you write 15w that means 15×w and the others don't make sense..
Answer:
2+5=7
Step-by-step explanation:
eg.1 box has 15 pencils which means cindy have 30 pencils and patrice have 75
B. less: because he wants to make money, if he produces less wheat ha can supply more corn which costs more.
Answer:
There are 924 possible combinations
Step-by-step explanation:
Total Number of marbles = 12
Number of marbles to be selected = 6
We are supposed to find the number of possible combinations .
So, we will use combination .
Formula: 
n = 12
r = 6
Substitute the values in the formula :

Hence there are 924 possible combinations