sunflowerhar
sunflowerhar sunflowerhar
  • 09-11-2018
  • Mathematics
contestada

The diameter for a u.s penny is 3/4 inches. How many pennies would it take to make a row 42 inches long

Respuesta :

qabtt
qabtt qabtt
  • 09-11-2018

Let's consider the number of pennies that we need to be [tex]p[/tex]. Given this we can say that we are trying to find [tex]p[/tex] in the expression:

[tex]\dfrac{3}{4} p = 42[/tex]


Let's multiply both sides by [tex]\frac{4}{3}[/tex] to get:

[tex]p = 56[/tex]


We would need 56 pennies.

Answer Link
andrewlnietop2mbwq andrewlnietop2mbwq
  • 09-11-2018

3/4 6/4 9/4 12/4

12/4=3 inches for 4 pennies so

42 inches equal 56 pennies

you can also do 0.75 times 42

Answer Link

Otras preguntas

Solve equation for y. 2/5x+y=7
What do we collectively call compounds that are carbon based?
Which of the following is part of a bacterial cell? A) a cell wall B) lysosomes C) mitochondria D) a nucleus
write 6, 362, 049 in both expanded and word forms
What is a seismometer, how does it work, what does it do, what was the worlds 1st seismometer
Why do all ecosystems depend on producers?
-5.65 is greater than, less than or equal to -5.6?
Which organ remained in the body during mummification, as it was believed to control a person's emotions and intellect?
What is the nature of the roots of the quadratic equation if the value of its discriminant is zero?
How were slaves obtained in Africa?