Answer:
Step-by-step explanation:
1/7x+1/3x=1
3/21x+7/21x=1
10/21x=1
x=21/10 hour or 2 hours and 1 minute
She could put 15 on each rack because 30 divided by 2 is 15 and 45 divide by 3 is also 15.
Answer:
Step-by-step explanation:
Well the answer is 40 cause you count by 20 so if you in 20 t o times then you would get 40 percent
I would help but I can’t graph it on here :\
Answer:
8
Step-by-step explanation:
5 and 1/3 is also 16/3. Then, 2x8 equals 16