This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Step 1: Identify the daily cement usage and the number of days. The contractor used 0.557 tonnes of cement each day. The total number of days is 77. Step 2: Calculate the total tonnes of cement used. To find the total cement used, multiply the daily usage by the number of days. Total cement = 0.557 tonnes/day × 77 days Total cement = 42.889 tonnes Step 3: Round the total cement to 1 decimal place. The second decimal digit is 8, which is 5 or greater, so we round up the first decimal digit. 42.9 tonnes The final answer is 42.9 tonnes. That's 2 down. 3 left today — send the next one.