eceidyrb3909 eceidyrb3909
  • 15-12-2021
  • Mathematics
contestada

In 2012, five U.S. postal stamps cost $2.20. How much did seven stamps cost? Use cross multiplication to solve the proportion.

Respuesta :

mushyy
mushyy mushyy
  • 15-12-2021

Answer: 3.08

Step-by-step explanation:

First, divide 2.20 by 5 to find the price of a single stamp.

2.20 ÷ 5 = 0.44

One stamp cost $0.44

Now, you multiply this by 7 to find the cost of seven stamps.

0.44 × 7 = 3.08

In 2012, seven stamps cost $3.08

Answer Link
jehanabdallah75 jehanabdallah75
  • 15-12-2021
See the picture attached
Ver imagen jehanabdallah75
Answer Link

Otras preguntas

How do character traits affect the way people in a community get along with each other? What essential skills were used in this session?
Which of the following expressions represents 24C12? A) 12!/24! B 24!/24! C) 24!/ 12!•12! D) 24!/12!
How do you say 'my name is megan' in French
how do people in Italy use there natural resources
the amount of postage placed on a first class letter depends on the weight of the letter .
What it is the quadratic formula ?
how do i say have a nice day in Spanish
During an experiment, which factors are observed and measured ?????
how do i say have a nice day in Spanish
Is it possible to make CD without plastic? why or why not?