Answer:
7 miles
Step-by-step explanation:
a mile each day so in a week that is 7 days he will swim 1×7 equals 7miles
1700 that is due in 14 days with a fee of 100$ because it’s a shorter time period
ANSWER

EXPLANATION
If ABCD is a parallelogram, then
line AB is parallel to line DC .
This means that,

and

are alternating angles.
Alternate angles are congruent.
This implies that,

We group like terms to obtain,

This simplifies to,

Also, if ABCD is a parallelogram then,
BC is parallel to AD. This means that,

We group like terms to get,

This simplifies to,

We divide both side by 4 to get,