1 po 5. Henry is mixing concrete. To make concrete he needs to mix cement,
and and gravel in the ratio 4:3:1 by weight. Henry needs to make 120 kg
concrete. He has 65 kg of cement, 40 kg of sand and 15 kg of gravel.
Thich ingredient is Henry short of?​

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?