tireshiah7 tireshiah7

01-11-2016
Mathematics

contestada

Elijah buys 5 pens and 4 pencils for $18.50. He may also buy 3 pens and 6 pencils for $16.50. How much does one pen cost?

Respuesta :

Rosa922 Rosa922

01-11-2016

pen's cost = 2.50.
pencil's cost = 1.50

Answer Link

Otras preguntas

In pea plants, purple flowers (P) are dominant over white flowers (p). If two heterozygous purple-flowered plants are crossed with each other, then what are the

How does interdependence happen globally?

explain the purpose of education in the Han dynasty

How did the Second New Deal create a way for workers to exercise their rights in the workplace? A. through the passage of the 1935 National Labor Relations Act

what is the greatest cause of weather-related fatalities in the United States

Henry plans to monitor the change in concentration of an acid during a chemical reaction. He wants to collect data every 0.1 seconds and then to graph his data

an example of the law of demand at work

thirty plus the quotient of a number and two N = A Number (writting algebraic expression)

Myra has a 17 foot roll of crepe paper to make 8 streamers to decorate for a party. How long will each streamer be if she cuts the roll into equal pieces?

instead of using the distributive property to expand 0.25 x (16.60a + 12.20y) could you have first found the sum 16.60a +12.20y explain