07-07-2016
Mathematics

contestada

After Khalil gave Benjamin 3/5 of the rocks in his collection, Benjamin had 70 rocks. If Benjamin had 25 rocks in the beginning, how many rocks did Khalil have in the beginning?

Respuesta :

texaschic101 texaschic101

07-07-2016

Benjamin had 25 rocks in the beginning...70 - 25 = 45
so 3/5 of Khalil's rocks are 45 rocks...

(3/5)/45 = 1/x
cross multiply
3/5x = 45
x = 45 * 5/3
x = 225/3
x = 75 <== khalil had 75 rocks to begin with

Answer Link

Otras preguntas

which is this a dependent clause since Japan has little arable land, it cannot grow enough crops for its population and must import much of its food

Select the Roman architectural structure that resembles the shopping malls of today

Give the concentration of solution which contains 2.5g of sugar dissolved in 50g of water.

What are so W facts about ligers

How far did Ferdinand Magellan travel in latitude?

Write a letter to your grandparents inviting them to stay with youbin winter vacation

Are skin discolouration/pigments common? Is it harmful?

what answer to 1+7v+9

Please please help me with this answer In Troy's class there are 3 more boys than girls. There are 33 students in all. How many boys are there in Troy's class?

What geographical feature mark the northern border of the republic of texas?