Question

Pls help me super confused on inequality

Answer 1

The inequality to this problem is:

40.50d - 400(0.12) ≤ 210

_____________________
Step 1:
40.50×d - 48 ≤ 210

Step 2:
40.50×d ≤ 210 + 48

Step 3:
40.50×d ≤ 258

Step 4:
d ≤ 258÷ 40.50

Final step:
d ≤ 6.37