Answer:
Step-by-step explanation:
me too..
Answer:
probably the furthest graph to the left.
Step-by-step explanation:
seems like a 25% 10% split.
The answer is =x^2 +x +1 +2/x-1
The answer is a.
4 P 4 = 24
How much part can sally paint in an hour ?
a ÷ 7 = a/7
And what about Steve ?
a ÷ 9 = a/9
Where, a is the total area of the room.
So, let the time taken by both of them to paint the room together be 't'
So,
t(a/7 + a/9) = a
t(9a/63 + 7a/63) = a
t(16a/63) = a
t = 63/16 ≈ 4 hr
