ftmghg27865 ftmghg27865

03-11-2018
Mathematics

contestada

Charmaine's penny bank is
1/10
full. After she adds
400
pennies, it is
1/2
full. How many pennies can Charmaine's bank hold

Respuesta :

sensationalsarath sensationalsarath

03-11-2018

we shall take X as the total amount of cash her piggy bank can hold
therefore 1x/10+400=1x/2
400=1x/2-1x/10
we should make the denominator's the same
400=5x/10-1x/10
400=4x/10
400*10=4x
4000=4x
4000/4=X
1000=X
hope u found this useful

Answer Link

Otras preguntas

What is the rule of (0,-2)(1,1)(2,4)(3,7)(4,10)

how does the life of a high mass star differ from the sun's life?

How do I get the width of a rug, it is 35/4 square meters and the length is 7/2 meters?

passive aggressive meaning

58 is 16% of what number?

Explain how using assistive technology can promote healthy emotional and social development. Discuss how you think young children and teens may be affected and

Calculate the scale factor from the smaller triangle to the larger triangle (picture above,please help)

an important difference between humanistic and psychoanalytic approaches is that humanistic psychologists believe in the importance of

equation for photosynthesis

A laptop has a listed price of 693.95 before tax. If the sales tax rate is 9.5%, find the total cost of the laptop with sales tax included