D= it's is true because ox equals 3*2x
Answer:
P = 35x + 18(110-x) = 17x + 1980
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
ur welcome
Answer:
There are 8 friends and the presents costs $30,000
Step-by-step explanation:
Let x be the number of students and y be the price of the present. Their contributions can be expressed as:

#Make y the subject in equation i then substitute in ii:

Hence, there are 8 friends and the present is priced at $30,000
The answer is the third one