What is 3.45 + 1.37? 4.82 What is 15.2 + 8.5? 23.7 What is 3.9 + 1.12? 4.21 5.02 1.51 5.02 265 prompt 22 Try solving this one on your own! 265 prompt 22 Try solving this one on your own! What is 23.92 - 5.71? 18.21 265 prompt 22 Try this one in your study guide, STUDENT!