gaby6951
29.06.2019 •
Mathematics
Afish tank that holds 80 gallons of water is 55% full b. how many gallons are in the tank now? how many more gallons are needed to fill the tank?
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Ответ:
a. How many gallons are in the tank now?
44 gallons of water are in the tank now.
b. How many more gallons are needed to fill the tank?
36 gallons
Step-by-step explanation:
In the above Question, A fish tank can hold 80 gallons of water.
The fish tank is 55% full
a. How many gallons are in the tank now?
The fish tank is 55% full now
55% = 55÷ 100
Therefore,
55% of 80 gallons is what we have in the fish tank now
= (55 ÷ 100) × 80
= 44 gallons
Therefore we have 44 gallons of water in the tank now.
b. How many more gallons are needed to fill the tank?
Formula is given as
Total number of gallons of water required to fill the tank - number of gallons of water in the tank now.
Total number of gallons of water required to fill the tank = 80 gallons.
Number of gallons of water in the tank now = 44 gallons
Number of gallons required to fill the tank = 80 gallons - 44 gallons
= 36 gallons.
Therefore the number of gallons needed to fill the tank is 36 gallons.
Ответ:
Option C
Step-by-step explanation:
10 + n is the total number of computers Mr. James will sell this week, since he has already sold 10 computers and will sell n more. Because he wants to sell at least 18 computers, the correct symbol is ≥.