Answer: it would be C
Step-by-step explanation:
Answer:
100 hours
Step-by-step explanation:
If Johnny is paid 245.00 as a one time fee for all his jobs then the total money he is paid is 2245.00
We need to separate the hourly fee from the one-time fee so we subtract 245 from 2245. This leaves us with 2000 dollars.
We know that he will be paid 20 dollars per hour so we need to divide 2000 by 20. This leaves us with 100.
<h2>Therefore Johnny worked 100 hours</h2>
Answer: she biked 0.8 hour each day
Step-by-step explanation:
Let x represent the number of hours that she jogged on both days.
Let y represent the number of hours that she biked on both days.
Distance = speed × time
On the first day, she jogs at a rate of 6 miles/hour and bikes at a rate of 10 miles/hour. She covers a total of 26 miles that day. This is expressed as
6x + 10y = 26- - - - - - - - - - - - - - - 1
The second day, she continues to jog at a rate of 6 miles/hour, but a hamstring pull slows her biking rate to 5 miles/hour. The second day she covers a total of 22 miles. This means that
6x + 5y = 22- - - - - - - - - - - -2
Subtracting equation 2 from equation 1, it becomes
5y = 4
y = 4/5 = 0.8
Substituting y = 0.8 into equation 1, it becomes
6x + 10(0.8) = 26
6x + 8 = 26
6x = 26 - 8 = 18
x = 18/6
x = 3
Answer:
The teacher can fill 5 calculators
Step-by-step explanation:
