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
He has 20 guppies?
This is what I got from the information. Unless they had eggs.
A) Yes, The tax benefits of Homeonership are similar to IRA tax breaks..!
Im not sure about my answer ..
hope it will help you dear ♡
Answer:
88
Step-by-step explanation:
you add all of her scores which is 313
then you divide by 4 to get 78.35
find the amount you need to bring the average up by calculateing different grades
