Answer:
d = 1.7
Step-by-step explanation:
Given expression:
2.50 +7.75 = 4 + 3.75d
Problem:
Solve for d;
Solution:
Collect all like terms to the same side;
2.50 + 7.75 - 4 = 3.75d
6.25 = 3.75d
Divide through by 3.75 to find d;
