RT equals RS plus ST
8x - 43 = 2x - 4 + 4x - 1
Simplify: 8x - 43 = 6x - 5
Bring variables to one side: 8x - 6x = -5 + 43
2x = 38
Divide both sides by 2:
x = 19
Calculate QS as twice RS:
QS = 2 * RS = 2 * (2x - 4) = 2 * (2*19 - 4) = 2 * 34 = 68
Answer:
The type of analysis that does not aid in determining if the rise in sales is statistically significant is calculating the prediction's precision.
Step-by-step explanation:
"A sales promotion involves features via advertisements and/or discounted pricing for a specific product or service."
To solve this problem, simply sum all of the grocery expenses and then divide that total by 4...