I really
Don’t even know I need help
Myself
Answer:
1500÷30=50
40× 50=2000
2000-1500=500.
therefore the answer is500
<h2>
Explanation:</h2>
Let's use a trial and improvement method to find this solution.
Step 1. Let's choose x = 8.5
Substituting into the equation:

Step 2. Let's choose x = 8.4
Substituting into the equation:

Step 3. Let's choose x = 8.3
Substituting into the equation:

Since the sign of the equation changes from positive to negative when evaluating from 8.4 to 8.3, then x = 8.3 seems to be a reasonable value. Finally, the solution to 1 decimal place is:
Answer:
54.77
Step-by-step explanation:
20 + 34.77= 54.77