Look at the picture.
Change 1/7 / 4/21 to a ratio?
1 answer:
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Let r represent cost of each box.
We have been given that Mia bought 10 boxes of brownies. So cost of 10 boxes would be .
We have been given that Mia bought 10 boxes of brownies at the store for a total of $64. The tax on the purchase was $5. So the total cost of 10 boxes would be cost of 10 boxes plus tax.
We can represent this information in an equation as:
We can subtract 64 from both sides as:
Therefore, our required equation is and option 'c' is the correct choice.