Avyd is selling raspados .75 and elote for 1.25. Jasmin spent $8.25 to buy a total of 9 items. How many raspados did she buy?
1 answer:
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For this case we have the following equation:
We must clear the value of the variable "x" as a function of r, s and t:
If we multiply by "r" on both sides of the equation we have:
If we subtract "t" on both sides of the equation we have:
If we divide by "2" on both sides of the equation we have:
Thus, the value of the variable "x" is:
Answer: