Answer:
a) About 48 of the shoppers, that is
of the shoppers, received a free set of earbuds.
b) About 58 shoppers, that is
received $5 off their first purchase.
Explanation:
a. About how many shoppers received a free set of earbuds?
21% out of 230. So
![230(21)/(100) = 2.3(21) = 48.3](https://img.qammunity.org/2022/formulas/mathematics/college/xhy4a3o71mzorbwb7q99qnuhnn2afvrps9.png)
About 48 of the shoppers, that is
of the shoppers, received a free set of earbuds.
b. About how many shoppers received $5 off their first purchase?
25% out of 230, so:
![230(25)/(100) = 230(1)/(4) = (230)/(4) = 57.5](https://img.qammunity.org/2022/formulas/mathematics/college/eiw3dxae2dk87yp3nejmaolqcjepsg2ev5.png)
About 58 shoppers, that is
received $5 off their first purchase.