Answer:
B
Step-by-step explanation:
1.3n (it can be simplified like any other equation just add like terms and remember there is a one before every variable)
Answer:
the answer to the question is 1
Notice that the denominators are 3 and 7, which are factors of 21.
So express all the fractions with denominator 21:
On Monday

are sold
On Tuesday

are sold
On Wednesday

are sold
by Thursday

of the tickets was sold.
Answer: