Answer:
total # of boxes sold = 90
Step-by-step explanation:
54 is 60% of total #
54 = .6x
x = 54/0.6 = 90
Answer:
<h2>The value of a is

.</h2>
Step-by-step explanation:
At the time of purchase, the value of the antique is $200.
After one year the value will increase 10%.
Hence, after one year, the value of the antique will be
= 220.
Similarly, after two year, the value will be
.
Thus, 222 years after purchase, the value of the antique will be
.
Answer:
74
x
+
185
Step-by-step explanation:
.25(4) = 1 gallon
.25(8) = 2 gallons
.25(12) = 3 gallons
.25(16) = 4 gallons
.25(20) = 5 gallons
it would take 20 minutes to remove half the water (aka 5 gallons)