F) The marked price of a radio is 25 % above the selling price and the cost pr
1 answer:
Answer:
See explanation below.
Step-by-step explanation:
Let's say, represents the sale price of radio.
Then the marked price of the radio is
The cost price of the radio is
The discount is simply 25% because the radio is being sold at 25% less then the marked price.
The gain percent is given as:
The radio is being sold at 12.5% gain.
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Answer:
The number 1.256 is A)rational number.
Step-by-step explanation:
- A whole number is a non-negative number without any digits behind the decimal.
- An integer is a set of negative and non negative numbers that don't have any digits behind the decimal.
- A number that can be shown as a fraction of two whole numbers is a rational number.And the numbers that are not rational are irrational numbers.
- Here, 1.256 is a fraction of whole numbers 1256 and 1000 , so it is a rational no.
- But since it has digits behind the decimal it is neither a whole number, or an integer.
So we know that there are 1000 mL in 1 L. We can set up an equation that allows us to solve for how many bottles are needed in order to empty the 30 L tank:
This equation then allows us to cancel out the units of mL and L, leaving us with how many bottles are needed per tank. Then we multiply straight across to give us:
The question asks us to round up to the next whole number, so it would take 86 bottles to empty one 30 L tank.
This equation then allows us to cancel out the units of mL and L, leaving us with how many bottles are needed per tank. Then we multiply straight across to give us:
The question asks us to round up to the next whole number, so it would take 86 bottles to empty one 30 L tank.