dayafogle dayafogle
  • 02-12-2016
  • Mathematics
contestada

Lena's penny bank is 1/2 full. After she removes 200 pennies, it is 3/10 full. How many pennies can Lena's bank hold?

Respuesta :

Underhill
Underhill Underhill
  • 02-12-2016
(1/2)*x - (3/10)*x = 200
(5/10)*x - (3/10)*x = 200
(2/10)*x = 200
(1/5)*x = 200
x = 200*(5/1)
x = 200*5
x = 1,000 pennies
Answer Link

Otras preguntas

Who is in line to be President after the Vice-President? A House member elected by special election A Senator The House Speaker A Committee Chairman
how did the season of winter halt German march through Russia leading the Russians to make a come back
CAN SOMEONE HELP ME WITH THIS??????????????
What is the arm signal for a left turn?​
can anyone help me with these questions
Who is Cyrus the Great
I need help with this Express these actions in the near future by using the formula “ir + a + infinitive.” 1. Silvia come frutas y vegetales. 2. Nosotros hacemo
Find the dimensions of an American football field. The length is 200 feet more than the width, and the perimeter is 1040 feet. Find the length and width?
Help! locus points! 1. In a plane, the points 2 cm from a given point X. 2. In a plane, the points 1 cm from a given line AB.
Please Help! I guessed on these questions and I don’t how they are correct! Does anybody know?