Gabby meets with the food stand manager, Olivia. The sandwich section of the food stand menu is below Sandwiches Vogotable Sandwich - $6.50 Chicken Sandwich - $7.50 Olivia, the food stand manager, spends $210 per week on vegetable sandwich ingredients. She wants to eam $1870 per week. Write an equation that can be used to determine x, the number of vegetable sandwiches Olivia needs to sell in order to earn $1870 per week.​