X/9=1
Multiply both sides by 9. So x=9.
Now if the lemonade is 1.50 he can only buy two because the total amount is 8.30 so it will be 3.00 and the amount left will be 5.00 and you can only buy one cupcake so you will buy two lemonades one cupcake
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➷ The square root of 81 is 9
We have -4 + 9
Thus, your answer is 5
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