(50x+10)(35-2x) to standard form

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

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

How many grams the dog will eat in 3 days?