erolf43 erolf43

23-10-2021
Mathematics

contestada

Courtney has a total of 88 stamps worth $15.56. Some are $0.25 stamps and some are $0.02 stamps. How many of each foes she have?

Respuesta :

Аноним Аноним

23-10-2021

Let x = # of 25-cent stamps

y = # of 2-cent stamps

{ x+ y = 88

{ 0.25x + 0.02y = 15.56

60 25-cent stamps 28 2-cent stamps

Answer Link

Otras preguntas

What problems were caused by monopolies?

Despite popular belief, investigators have gotten a tip that the Loch Ness Monster is actually being kept as a pet in a Scottish Hotel (rooms numbered -10 to 10

How do you tell a stars life expectancy based on an hr diagram?

What is the next number in the pattern -3, -1, 3, 9,...?

DNA transcription and translation worksheet

Write a function rule for: 10 more than two times x is y

what is the first step to add an amendment to the constitution?

what value of n makes this equation true? n-2.3=17

In Mesopotamia city-states would _____________ to protect themselves from attack A. construct a thick wall around the city B.pay their enemies not to attack the

Decisions about how and where communities are built have important impacts on the natural environment. The government and businesses need information about the