Answer:342
Step-by-step explanation:100+130+112=342
Answer:
0:42
Step-by-step explanation:
Go to a math calculator and type this in then press graph and it will give you your answer
Step-by-step explanation:
We have y = 13 - 3x and y = 7 - x.
=> 13 - 3x = 7 - x
=> 2x = 6, x = 3.
Then y = 7 - (3), y = 4.
Hence the price of a pencil is $3 and the price of a notebook is $4. (C)