A used car dealership buys a car for $2600 and sells it for $3800 what percent increase
2 answers:
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we are supposed to explain
Which situation could be solved using the equation
As we can see in the given equation , one number is -4 and the other number is 4
When we add two number of same value but opposite in sign we get zero.
This equivalent to the real life situation of paying a post paid bills.
Suppose you are using a post paid service , and the bills gets generated at the end of the month.
Suppose the bills amount is $x.
Once you pay that bills , then total outstanding again becomes $0.
Because
Answer:
9.1 minutes.
Step-by-step explanation:
Let t represent time taken to fill the tank.
We have been given that a cold water faucet can fill a sink in 12 min, so the part of sink filed in 1 minute would be .
The hot-water faucet can fill it in 15 min, so the part of sink filed in 1 minute would be .
The drain can empty the sink in 25 min, so the part of drain emptied in 1 minute would be .
The part of 1 full tank filled in t minutes, when both faucets are on and the drain is open would be:
Make a common denominator:
Therefore, it will take 9.1 minutes to fill the sink.