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e-lub [12.9K]
3 years ago
6

Find two positive numbers if their ratio is 8:5 and the difference is 150.

Mathematics
2 answers:
OverLord2011 [107]3 years ago
5 0

Answer:

Two positive numbers are 400, 250

Step-by-step explanation:

Find two positive numbers if their ratio is 8:5 and the difference is 150.

LEt x and y are the two positive numbers

ratios is 8:5

\frac{x}{y} =\frac{8}{5}

Multiply by y on both sides

x =\frac{8}{5}y -------------> first equation

The difference of two numbers is 150

x-y = 150

Now we replace x  with 8/5 *y (first equation)

\frac{8}{5} y - y = 150

Take LCD : 5, multiply each term by 5

8y - 5y= 750

Combine like terms

3y= 750

Divide by 3

y=250

Now plug in 250 for y and solve for x

x =\frac{8}{5}y

x =\frac{8}{5}(250)=400

so x= 400

Two positive numbers are 400, 250

bulgar [2K]3 years ago
3 0
We can set up a system and solve it. Let these numbers be x and y. We can write that \frac{x}{y} =  \frac{8}{5} and x-y=150. Combining these two equations, we can make a system of equations \left \{ {{\frac{x}{y} = \frac{8}{5} } \atop {x-y=150}} \right.. Solving this system, we find that x=400 and y=250
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