Answer:
35.36 i think
Step-by-step explanation:
40%x68=27.2
20%x27.2=5.44
27.2+5.44=32.64
68-32.64=35.36
$35.36
b=5, commutative property
c=3, associative property
12.5 secs per meter
start of average
b because y moves same amount per x
it has only one solution
