Answer:
y = -1
Step-by-step explanation:
Answer:
45 %
Step-by-step explanation:
Time left until Christmas = 2 weeks
= 2 * 7 days [since 1 week = 7 days]
= 14 days
Number of days in December = 31
Percentage of the month left before Christmas = 
= 
= 0.45 * 100
= 45 %
Answer:
16
Step-by-step explanation:
( 17 + 13 ) - 14
30 -14
16
Let x be the number of days
Let y be miles travelled
Let z be total cost
a) 55x+0.45y=z
55x+0.45(300)=$2,335
b) 55x+135=$2,335
55x=2335-135
55x=2200
x=2200/55
x=40
c) She spent 40 days
Hope I helped :)