Answer: i would help but i have no idea but i think its (a)
Step-by-step explanation:
add the a´s first then the b´s
Answer:
yes
Step-by-step explanation:
7x-3=60
7x=63
x=9
11y+5=60
11y=55
y=11
hope this helps!!!
Answer:
1 hour and 42.8 minutes
Step-by-step explanation:
To answer this question let's call
while it takes Jenna to clean the gutters
Let's call
while it takes John to clean the gutters
h
h
t = total time
g = job = 1 (clean the gutters)
The speed of each one is:
g/ h
g/h

So:


h
Then, both together paint
of gutters for each hour.
This means that it takes
hours to clean the gutters together
Finally cleaning together takes 1,714 hours or also
1 hour and 42.8 minutes