A...............................................................
Explanation: the difference between the numbers is the same
Answer:
X 1 for Y 4
X 5 for Y 8
X 2 for Y 5
Step-by-step explanation:
We can substitute the values of Y in the formula and then subtract three from both sides.
Because it doesn't give a number grade, I took the mid=point of each letter grade which I came up with 850, then divided it by 10 (number of grades recorded) came up with an 85 average.
Answer:
b = 7.5
Step-by-step explanation:
- b × 2 = - 5 × 3
- 2b = - 15
- 2b ÷ - 2 = - 15 ÷ - 2
b = 7.5