Can someone show me how to work this out step by step without a calculator

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.