Acollege writing seminar increased its size by 5o% from the first to the second day. if the total number of students in the seminar on the second day was 15, how many students were in the class on the first day?

Activities

Administrative service, a required part of the workload of university faculty

Civil service, the body of employees of a government

Community service, volunteer service for the benefit of a community or a punishment that may be imposed by a court

Fan service, a Japanese term referring to something which is specifically designed to entertain fans

Military service, serving in a country's armed forces

Feudal service, see Feudal land tenure in England

Public service, services carried out with the aim of providing a public good

Selfless service, a service which is performed without any expectation of result or award

Arts, entertainment, and media

Service (album), a 1983 album by Yellow Magic Orchestra

Service (film), a 2008 film

Service (play), a 1932 play by British writer Dodie Smith

Service (record label), a Swedish record label

"Service" (The Walking Dead), a 2016 television episode of The Walking Dead

The Service, an 1840 essay by Henry David Thoreau

Economics and business

Service (business), an aggregation of a service engagement with one or more service acts between two or more service systems creating service outcomes

Service (economics), the non-material equivalent of a good in economics and marketing, within a service–product continuum

Service economy, which increases the integration of services in other sectors of the economy

Service sector, the traditional tertiary sector of the economy, including:

Customer service, provision of assistance to customers or clients

Domestic service, employment in a residence

Table service, food served by waiters and waitresses, also known as servers

Service system, or customer service system (CSS), including:

Service design

Service management

Services marketing

Service contract (disambiguation), with various levels of management, relations or integration in a service system:

Service-level agreement

Managed services

Outsourcing

Service provider, third party or outsourced suppliers for organizations

Politics

Servant leadership, leadership reconceptualized as service to those below

People with the name

Service (surname)

Places

Service, Missouri, a community in the United States

Religion

Church service, Christian communal worship, often held in a church building

Divine Service (Lutheran), the public worship of Lutheran churches

Service (music), musical settings for sections of a service of worship

Service (Tenrikyo), the liturgy of the Tenrikyo religion

Son of man came to serve, concerning Jesus

Dharma, Buddhist doctrine of service and interconnectedness

Bodhicitta and Bodhisattva, a form of servant leadership within Dharmic practice

Technology