Answer:
1. 20 min and 15 sec
2. 4 min and 30 sec
3. y=80x-20
4. the second one
Step-by-step explanation:
1. in 2 min you have 25 g
in 15 sec you loose 2.5 g
2. in 4 min you have 5 g
in 30 sec you loose 5 g
3. y=45x-10
y=80x-20
4. it takes 2 min and 15 sec to empty the first one and 3 min to empty the second one.
dive the number of miles by the speed
so 450/60 = 7.5 hours
5 5 25 1
-- x --- = ---- = 4 ----
6 1 6 6
whew that took a long time
Answer:
D
Step-by-step explanation:
Every fraction is a rational number
Remember: Though this is true, not every rational number has to be a fraction
Find 5 percent of 10.94, which is .55.
Since it is sales tax add .55 to 10.94
You get 11.49! Hope this helps