It will take Marvin 12 days to exersise for 576
The old photocopier can make x manuals in an hour. The new photocopier can make 4x. Combined, they made 5x manuals in an hour.
In one hour they can make 1/28 of the manuals.
1/(28*5)=1/140 is the rate.
The new photocopier can make all the manuals in 4/140 or 35 hours.
The old one can make them in 140 hours.
Answer:
x = ± 8i/11
Step-by-step explanation:
121x2+64=0
121x^2 = -64
x^2 = -64/121
x = +/- √(-64/121)
x = +/- 8i/11
Answer:
30 minutes
Step-by-step explanation:
if she earns 10 minutes per hour and there are 3 hours, 10 times 3 is 30
179 is the percent of students that only speak one language
