ZeXCMe6ricbrswee9 ZeXCMe6ricbrswee9

15-01-2017
Mathematics

contestada

Anne has 24 more cards than devi. anne finds that 3/5 of devi's cards are equal to 1/2 of her cards. how many cards does anne have?

Respuesta :

SuperMadNova SuperMadNova

15-01-2017

anne = x
devi = y
x = y + 24
1/2 x = 3/5 y
x = 6/5 y (we devided both by 1/2)
6/5 y = y + 24
6/5 y - y = 24
1/5 y = 24
y = 24 * 5 = 120
x = 120 + 24 = 144
so anne has 144 cards and devi has 120 cards.

Answer Link

Otras preguntas

What part of earth is a solid composed of iron and nickel?

how do small changes in DNA cause genetic disorders?

Walking is an ideal exercise for people who __________. A. desire to engage in an activity that is easy on their joints B. desire to engage in a high-energy act

What significant land development did President Jefferson make? the Alaskan Purchase the Gadsden Purchase the Louisiana Purchase the Northwest Territory

Evaluate (8/9) to the zero power. I need to show all work involved at arriving at the answer.

what is the relationship between the Gutenberg printing press and the age of discovery?

Diane sent 25 invitations to her birthday party is 1/6 of the invitations were for her family about how many invitations were for her family

A spinner is divided into five equal sections numbered 1 through 5. Predict how many times out of 240 spins the spinner is most likely to stop on an odd number.

what happen in world war 2. who cause the world war 2. And what kind of technology stuffs did they use for the world war 2???

How did the economic boom affect advertising in the 1920s?