Find the value of x in each case: If you solve this correctly, I will give you brainliest pleasee help

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).