What is the ratio of the number of gray T-shirts to the number of black T-shirts?
1 answer:
First find out how many gray T-shirts there are and how many black T-shirts.
Add up the numbers in the Black column, you get 20.
Add up the numbers in the Gray column, you get 14.
Ratio of the number of gray T-shirts TO the number of black T-shirts.
The keyword here is 'to', because this is what divides the two ratios. Number of gray T-shirts is 14, and the number of black T-shirts is 20, so we have:
We can simplify this by dividing 2 to both numbers:
Add up the numbers in the Black column, you get 20.
Add up the numbers in the Gray column, you get 14.
Ratio of the number of gray T-shirts TO the number of black T-shirts.
The keyword here is 'to', because this is what divides the two ratios. Number of gray T-shirts is 14, and the number of black T-shirts is 20, so we have:
We can simplify this by dividing 2 to both numbers:
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Given expression: .
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Let e=erasers and p=pencils. So we know the total amount of erasers plus pencils sold is equal to 220. Therefore,
We also know the cost of erasers and pencils totaled to $695 in earnings and so:
and so those are your two equations.
We also know the cost of erasers and pencils totaled to $695 in earnings and so:
and so those are your two equations.