Mr. warren has 90 students in his class. 18 students earned all a's. what precent of mr. warrens class earned all a's?

How to write 3 tenths and 5 tenths as a decimal

Use the multiplier method to incrases £258 by 43%

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false