Register
1 1/9:(0.8y)=1/7:3.6
144k views
3 votes
1 1/9:(0.8y)=1/7:3.6

User Xyzale
by
5.2k points

2 Answers

5 votes

Answer:

35

Explanation:

User Blue Diamond
by
5.1k points
3 votes

Answer:

3.5

Explanation:

Solve for y:


(1)/(9):(0.8y)=(1)/(7):3.6

First rewrite it as proportion:


((1)/(9))/(0.8y)=((1)/(7))/(3.6)

Cross multiply:


(1)/(9)\cdot 3.6=(1)/(7)\cdot 0.8y\\ \\0.4=(0.8y)/(7)

Multiply it by 70:


28=8y\\ \\y=(28)/(8)=(7)/(2)=3.5

User Firzok Nadeem
by
5.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers

Other Questions

What is the value of x? (-4) - x = 5
Can someone help me with 5??? ASAP?
1/7 + 3/14 equivalent fractions
185g in the ratio 2:3
(3x1,000,000)+(3x100,000)+(2x100) what is this number written in standard form?
Link Copied!