Anabel714 Anabel714
  • 18-11-2018
  • Mathematics
contestada

40 is 20% of x. If x is 80% of y, then what is the sum of x and y?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 18-11-2018

40 is 20% of x

40 = .2 * x

40/.2 = x

x =200


x is 80% of y

x = .8 * y

200 = .8 *y

200/.8 = y

250 =y


x+y

200+250

450


Answer Link

Otras preguntas

Which equation can be used to find one-tenth of 119.9
Find the measure of angle IHG in the picture.
what religious traditions were practiced on the arabian peninsula before 570???? thxs!!!!
Why lanthanides and actinides series are situated at the buttom of the periodic table
-7x+6y=10Please help
Who played a significant role in the construction of the Wilderness Road?
how do you factor 6x² +7x-3? Please show the steps!
Nathan has a bottle of medicine. It holds a quarter of litre. He uses half of it. How many spoonfuls are left if each spoon holds 9ml?
A map of Nelson County is laid out in the standard (x,y) coordinate plane below, where the center of the county is at (0,0). a cell phone tower is at (5,4) and
Like many forms of substance abuse, alcoholism develops through stages. Which of the following stages is the most advanced and the most difficult to recover fro