Answer:
I believe it's d
Step-by-step explanation:
I've took the test before
Answer:
I gues s it s yes. if correct brainlest answer pla..
The 20% statement is useless
80% of $295 is what?
80%×295=??
.80 × 295 = $236.00 in savings
Answer:
its 21 obviously
Step-by-step explanation:
this is because
<em>
</em>
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