The correct option is
C Number of toys sold = 10,000 (Estimated to nearest hundreds)
Balloons used in 1 shop = 112
Number of days = 91
So, number of balloons to be used for 91 days = 112 × 91
Rounding off the numbers to their
nearest tens:
![](https://lh3.googleusercontent.com/UVqz-Fp649IMaKAgvWrJXylNqG8ty-_746g76Ar_Ng4uwg3DhPQHXhmsbVc8O7FxhN1Vo6bUxlEgjNRxiLQYOutZi2RcwBzTgS64G3kAH-oClPszakDlei46mDR3ytgck1kTgnAUYOPE)
So, the final result is:
![](https://lh3.googleusercontent.com/xz1fG5EBtQ-J3YKrukk5ew0uFwcpfNC9jqoAI_7jDNWid0GCxknFFQCMTOfEAAecLh1K6mCC-7xCDjgcJQIB8VrqzgWEAgRZrLlXrT6oPlbAY0iTwQb-SGxYJq9iEAcPl-g9ZmXKFnrT)
Rounding off the numbers to their
nearest hundreds:
![](https://lh3.googleusercontent.com/OwHDCXo4JbsP7ACTMhj9szCT7vV0GzMoW6iy5BULhygRastY2CPi1m4y_mOKFFjiDUY-iJoFRmAegmLFwYYUya306s5r5YUsbCDr2eQlljtBXNISfkH1CgniWSkBOP7G6RZvqjQ_kh0H)
So, the final result is:
![](https://lh6.googleusercontent.com/TY2Zu0t_QSF5madhKPbxKqsWj_TXKTNe_EZxqXLpWFWb6zZGpZ-Jekxzvo1lA7chNek4JNsCjxktBNBBXtwbfsPhQwdtk1X1j5PdZMxYgq1-rvMO66umKSIqExu49kuBF_p2gVGUDJ7I)
The actual number of toys sold by the shop in 91 days is:
![](https://lh5.googleusercontent.com/O6ZJdOoAekgWEqKew75PS5_5WTNhPpz9ADREyBc23al2StTdIUh1IDrPu3sXNyvk5oGQAQxg9SBtC0cVM9G2NvyafGO-70CEVF_-BjsbFEh1BnnCh8sTAO2vGyn0WGswF9JSoTF9ZbrD)
Comparing the three results, we see:
![](https://lh3.googleusercontent.com/jjchh71W35QhLaA4Skmy67EAa7boyUCWOR6lQ9udcxkKTgJdlXhr2dV710cecEN6MgvDoivhDbwv3vwYO_AL6s5jxVpGgxim1u0O8vA70SU1qSxmhbYBJAQLsoyx5HjZCuUumIQDp8TW)
So, by estimating to the nearest hundreds, the value become close to the actual answer.
∴ Numbers of toys sold approximately will be 10,000 .