Answer:
a)5
b)17
c) ?

Step-by-step explanation:
Answer:
Liam pays $24
Step-by-step explanation:
20% off = 20÷100= 1/5
1/5 × $30 = $6
$30 - $6 =$24
Answer:
about 2 minutes
Step-by-step explanation:
first lets make everything in the same term
so 2.5 =2 1/2
then divide 5 5/16 by 2 1/2
or 85/16 divided by 5/2
you get 2 1/8
so you have about 2 minutes before the timer runs out