Well you see here, you need to take attest pre-calculus to answer this question. I am in 6th grade.
7 is 1/4 of 28, so 7 is 25% of 28.
The drop from 28 to 7 is a drop of 21.
21 is 3 times 7, so 21 is 3 times 25%.
Answer: It is a 75% decrease.
10 (13) 15
35 (37) 40
45 (48) 50
60 (61) 65
90 (93) 95
Answer:
any value of a makes the equation true.
Step-by-step explanation: