I bought a toy for $$\(\$ 10\)$$, sold it for $$\(\$ 20\)$$, rebought it for $$\(\$ 30\)$$, and resold it for $$\(\$ 40\)$$. My total profit on the 4 transactions was?
A.
10
B.
20
C.
30
D.
40
Exam No：2018 First Round Grade 4 Year：2018 Question No：10
Answer:
B
Knowledge points:
G4 - Arithmetic - Basic Addition & Subtraction
Solution:
Download APP for more features
1. Tons of answers.
2. Smarter Al tools enhance your learning journey.
IOS
Download
Download
Android
Download
Download
Google Play
Download
Download