4x + 7x = 33
11x = 33
x = 3
4x = 4(3) = 12
7x = 7(3) = 21
12 and 21 are how you split 33 in to a ratio of 4 to 7.
Answer:
7.5 hours
Step-by-step explanation:
both pumps works simultaneously to pump 160 gallons of water per hour.
With a total pond capacity of 1200 gallons, you get your answer by simply dividing the total capacity by the flow rate which gives us 7.5 hours.
note: if it is stated that the pumps where connected together on the same line (either in series or parallel) this will be a different calculation.
Answer:
20mm
Since it a equilateral triangle we know that there is 3 sides and all of them are euqal. Therefore, 60/3 =20 meaning each side is 20mm.
