MarthaMwamba5 MarthaMwamba5

20-02-2015
Mathematics

Answered

the sum of three numbers is 207. the second number is 8 times the first, while the third is 3 less than the first, find the numbers

Answer :

20-02-2015

First number = X
Second number = 8X
Third number = X - 3

The equation would be
X + (8X) + (X - 3) = 207

X + (8X) + (X - 3) = 207

X + 8X + X - 3 = 207

10X - 3 = 207

10X = 207 + 3

10X = 210

X = 21

First number = 21
Second number = 8 * 21 = 168
Third number = 21 - 3 = 18

Answer Link

Other Questions

In glycolysis, the first stage of cellular respiration, ATP molecules are produced. What is the net gain of ATP molecules (per molecule of glucose) from glycol

A roller coaster car rapidly picks up speed as it rolls down a hlope. As it starts down the slope, its speed is 4 m/s. But 3 seconds later, at the bottom of

In a food chain, which are the most efficient users of solar energy: Herbivores, Carnivores, Omnivores or Parasites?

Is it possible for a single cell to be a living organism?

8 1/5 - 3 4/10= show your work

Find the density of an unknown liquid in a beaker. The empty beaker's mass is 165 grams. With the unknown liquid inside the beaker, the total mass is 309 grams

Think about fire. Can fire be considered a living thing? Why or why not?

A car accelerates from 0 m/s to 30 m/s in 8 seconds. What was its acceleration?

which of these correctly matches an organelle with its function -chloroplast—movement - nucleus—cell regulation -vacuole—energy production - mitochondrion—phot

funny speech topics < tamil speech >