Answer:
First, make the double negative a positive.
So, (-6/13) + (7/15)
Then multiply the numerator, 6×7=42
And denominator 13×15=195
42/195 simplify by dividing both by 3 so 14/65
Answer: A>7
Step-by-step explanation:
1/4 off means 0.25 * 28
7
Sale price = 28-7
= 21
