268 / 28 = 9.57
9.57 x 21 = 201
Therefore, the answer is 201.
Discount = 35/100 * 40 = $14
Price = $40- $14 = $26
Answer: He earned 43,344 a year and earned and earned 3612 a month
For #7 - part a: greatest common factor (GCF) is 5.
Part b: cross out everything BUT 10 & 20.