Banksnate66
Answered

Westonci.ca is the best place to get answers to your questions, provided by a community of experienced and knowledgeable experts. Explore our Q&A platform to find in-depth answers from a wide range of experts in different fields. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

X=8 y=20 find y when x=42

Sagot :

smmwaite

Answer

y= 105

 

Explanation

X=8

Y=20

So,

x/y = 8/20

      = 2/5

x=(2/5)y

y= (5/2)x

When x=42

y=(5/2)×42

   =105

danielmaduroh

In this problem, we need to use the concept of proportions. Proportion says that two ratios (or fractions) are equal. So, we have two numbers, namely:

[tex] x=8 \ and \ y=20 [/tex]

So, the given proportion is:

[tex] \frac{x}{y}=\frac{8}{20} \\ \\ \therefore \frac{x}{y}=\frac{2}{5} [/tex]

That is, x-out-of-y is equal to 2-out-of-5

On the other hand, we know that [tex]x=42[/tex], so by using the previous proportion we have:

[tex] \frac{42}{y}=\frac{2}{5} \\ \\ Isolating \ y: \\ \\ y=\frac{42 \times 5}{2} \\ \\ y=\boxed{105} [/tex]

Thank you for your visit. We are dedicated to helping you find the information you need, whenever you need it. Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. Keep exploring Westonci.ca for more insightful answers to your questions. We're here to help.