Rachele11 Rachele11

03-12-2016
Mathematics

contestada

.06x + .08 (18000 - x) = 1290 solve for x and explain the steps. x should equal 7500, but I can't figure out how it is done. please help !

Respuesta :

MathisLif3 MathisLif3

03-12-2016

6/100*x + 8/100 (18000-x) = 1290
Let (8*18000/100)=a for simplicity.
6/100x + 8/100x + a =1290
14/100x=1290-a
x=(1290-a)*100/14
should be 7500

Answer Link

Otras preguntas

The mass of an object is 4G and it has a density of 5gm^-3. what is the volume

What are the sites for abdominal hemia

2. Estimate the quotient: 6.31 x 105 - 2.085 x 103

This type of definition is a lengthy explanation that begins with a formal definition and is developed into several paragraphs or more. O Technical definition O

I enjoyed the film on TV yesterday evening __________ nobody in my family liked it. * so and although in spite of

what is the difference between prime factors and odd numbers

Find the measure of the missing angle. A

You are part of a research group that is attempting to improve on the beneficial genetic modification of golden rice, to further reduce global hunger issues. Wh

factorise 16x²y+8xy all divided by 32xy+16y

Help me please……………………..