PSLE
Sabrina had to sew 225 sweaters. She sewed 8 sweaters each day from Monday to Friday and 14 each day on Saturday and Sunday. Starting on a Monday, on which day of the week did Sabrina finish sewing all the sweaters? Give your answer in number. (Eg Mon = 1)
Number of weekdays that Sabrina sewed on the first week = 5

Number of sweaters that Sabrina completed for from Monday to Sunday on the first week
= 5 x 8 + 2 x 14 
= 40 + 28
= 68

Number of sweaters left to sew
= 225 - 68
= 157

Number of sweaters that Sabrina could sew per week from second week onwards
= 5 x 8 + 2 x 14
= 40 + 28
= 68

Number of weeks that Sabrina needed to sew 157 sweaters
= 157 ÷ 68
= 2 r 21

Number of days that Sabrina needed to sew 21 sweaters
= 21 ÷ 8
= 2 r 5

Sabrina needed 1 more day to finish sewing the remaining 5 sweaters.

Day of the week that Sabrina completed her sewing
= 2 + 1
= 3 (Wed)

Answer(s): 3